up to no good的用法和样例：
例句
用作副词 (adv.)
- In my role as a jealous husband, I was supposed to pick up an alarm clock and stare malevolently at its face while delivering my surly comments.
我的角色是个爱猜疑的丈夫，我被假定见到了一个闹钟，不怀好意地看着闹钟表面，说出我无理的台词。
词汇搭配
- be up to no good 尽干坏事
