to malfunction or to become active or troublesome after a period of quiescence,病痛复发,机器出故障。例:My left knee acts up in damp weather.我的左膝在潮湿天气复发。act up另外还有捣蛋的意思。作者: kobe 时间: 2012-11-18 21:31
Continually heavy rain made some rivers act up. 连续不断的大雨造成一些河流泛滥作者: 薇生物 时间: 2012-11-18 22:26