n.名詞屁股He fell down on his behind, it was so funny to watch
adj.形容詞(時間上的)落後的You are falling behind in your homework and should catch up
adv.副詞落在後面;留在原地A little girl was accidentally left behind forgotten by her brother
adj.形容詞(等級上的)落後的Liverpool are behind Manchester United by 3 goals
adj.形容詞以往;落伍Last year's phone models are way behind this year's models in terms of technology
prep.介系詞面對或朝某人背後He was walking very slowly behind the group of people
prep.介系詞支持We stand behind the candidate 100% in the election for the city council