up to no good的用法和樣例：
例句
用作副詞 (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.
我的角色是個愛猜疑的丈夫，我被假定見到了一個鬧鐘，不懷好意地看著鬧鐘表面，說出我無理的台詞。
辭彙搭配
- be up to no good 盡幹壞事
