signal
- IPA[ˈsɪɡnl]
英式
- a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned；an indication of a situation
- convey information or instructions by means of a gesture, action, or sound；instruct (someone) to do something by means of gestures or signs
noun: signal, plural noun: signals
- 釋義
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
- ▪ an indication of a situation the markets are waiting for a clear signal about the direction of policy 同義詞
- ▪ an event or statement that provides the impulse for an occurrence the champion's announcement that he was retiring was the signal for scores of journalists to gather at his last match 同義詞
- ▪ 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 railway, typically a coloured light or a semaphore, giving indications to train drivers 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
動詞
- 1. convey 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 she signalled Charlotte to be silent 同義詞
- ▪ (of a cyclist, motorist, or vehicle) indicate an intention to turn in a specified direction using an extended arm or flashing indicator Stone signalled right the truck signalled to turn left
- ▪ indicate the existence or occurrence of (something) by actions or sounds the Community could signal displeasure by refusing to cooperate she gave a glance which signalled that her father was being secretive 同義詞
