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1. Oxford American Dictionary

   signal

   • IPA[ˈsiɡn(ə)l]

   美式

   • n.
     a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned；an indication of a state of affairs
   • v.
     transmit information or instructions by means of a gesture, action, or sound；instruct (someone) to do something by means of gestures or signs rather than explicit orders

   • noun: signal, plural noun: signals

2. • 釋義
   • 相關詞

   n.

   名詞

   • 1. a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned the firing of the gun was the signal for a chain of beacons to be lit the policeman raised his hand as a signal to stop 同義詞 gesture, sign, wave, gesticulation, cue, ... 更多prompt, indicator, indication, communication, message, alert, warning, tip-off, action, movement, motion, body language, kinesics
   • ▪ an indication of a state of affairs the markets are waiting for a clear signal about the direction of policy 同義詞 indication, sign, symptom, hint, pointer, ... 更多suggestion, intimation, clue, manifestation, demonstration, token, testimony, evidence, attestation, proof
   • ▪ an event or statement that provides the impulse or occasion for something specified to happen the champion's announcement that he was retiring was the signal for scores of journalists to gather at his last match 同義詞 cue, prompt, occasion, green light, incentive, ... 更多impetus, impulse, stimulus, informalgo-ahead
   • ▪ a prearranged convention of bidding or play intended to convey information to one's partner.
   • 2. an electrical impulse or radio wave transmitted or received equipment for receiving TV signals
   • 3. an apparatus on a railroad, typically a colored light or a semaphore, giving indications to train engineers of whether or not the line is clear the driver of the mail train overran a signal at danger and ran into the rear of an express

   v.

   動詞

   • 1. transmit information or instructions by means of a gesture, action, or sound hold your fire until I signal
   • ▪ instruct (someone) to do something by means of gestures or signs rather than explicit orders she signaled Charlotte to be silent 同義詞 gesture, sign, give a sign to, indicate, direct, ... 更多motion, gesticulate, wave, beckon, nod
   • ▪ (of a cyclist, motorist, or vehicle) indicate an intention to turn in a specified direction using an extended arm or flashing indicator Stone signaled right the truck signaled to turn left
   • ▪ indicate the existence or occurrence of (something) by actions or sounds they could signal displeasure by refusing to cooperate she gave a glance that signaled that her father was being secretive 同義詞 indicate, show, express, communicate, announce, ... 更多proclaim, declare, pronounce

   virtue signaling

   • n.
     the public expression of opinions or sentiments intended to demonstrate one's good ... it's noticeable how often virtue signaling consists of saying you hate things standing on the sidelines saying how awful the situation is does nothing except massage your ego by virtue signaling

   Oxford American Dictionary

   signal-boost

   • v.
     share (another person's post or other online content) with one's own followers or ... we've been getting the word out, signal-boosting their petition, and generally making ourselves useful please signal-boost —tell your friends, their friends, anyone
   • n.
     an act or instance of signal boosting: Laura got a huge signal boost when the singer/songwriter herself reblogged the video to her own platform please help us spread the word by giving the project a signal boost

   Oxford American Dictionary

   signal boosting

   • n.
     the action or fact of amplifying an electrical or broadcast signal: the map below indicates the areas set to receive signal boosting, graded by the five phases of implementation a signal-boosting antenna

   Oxford American Dictionary

   signal boosting

   • n.
     the action or fact of amplifying an electrical or broadcast signal: the map below indicates the areas set to receive signal boosting, graded by the five phases of implementation a signal-boosting antenna

   Oxford Dictionary

   smoke signal

   • n.
     a column of smoke used as a way of conveying a message to a distant person.

   Oxford Dictionary

   smoke signal

   • n.
     a column of smoke used as a way of conveying a message to a distant person.

   Oxford American Dictionary

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3. • 更多解釋

   signal

   • IPA[ˈsɪɡnl]

   英式

   • n.
     a gesture, action, or sound that is used to convey information or instructions, typically by ... the firing of the gun was the signal for a chain of beacons to be lit the policeman raised his hand as a signal to stop
   • v.
     convey information or instructions by means of a gesture, action, or sound: hold your fire until I signal

   Oxford Dictionary

   signal

   • IPA[ˈsɪɡnl]

   英式

   • adj.
     striking in extent, seriousness, or importance; outstanding: their signal failure to achieve a satisfactory solution to the problem

   Oxford Dictionary

   signal

   • IPA[ˈsiɡn(ə)l]

   美式

   • adj.
     striking in extent, seriousness, or importance; outstanding: their signal failure to achieve a satisfactory solution to the problem

   Oxford American Dictionary