使苦惱; 使生氣it upset him that nobody had bothered to tell him about it 誰也沒把這件事告訴他，這讓他很不高興don’t upset yourself about it: let’s just forget it ever happened 別為這事兒難過，我們就只當它沒發生過
n.
混亂his health has not been improved by all the upset at home 家中的紛亂使他的健康毫無起色
adj.
苦惱的; 生氣的he was upset at the news 那消息讓他心煩意亂don’t get upset about it 別為這事難過
