1.Why worry about a silly thing like that?干嘛为那种无谓的事发愁啊？2.Don't play silly games with me; I know you did it.别跟我兜圈子，我知道是你干的。

3.Don't keep worrying him with a lot of silly questions.别老用许多愚蠢的问题打扰他。

4.Don't play silly games with me; I know you did it.别跟我兜圈子，我知道是你干的。