at it片语KK [æt ɪt] /æt ɪt/发音片语1在忙著做、在埋头做、在干活口语The builders were at it from six in the morning.工人从早上六点就开始忙著干活了。2拼命做、卖力做多与 hard、go 连用She went at it for hours until the report was finished.她拼命做了好几个小时,直到报告完成。3又来了、故态复萌口语,常用 be at it againMy neighbors are at it again, playing loud music after midnight.我的邻居又来了,半夜还放大声的音乐。4吵架、争执口语The two of them were at it all evening about money.他们两个为钱吵了一整晚。5上床、做那件事口语,委婉The couple upstairs were at it half the night.楼上那对情侣半夜都在做那件事。用这个字练口说→