表达 “not have a bad bone in one's body（没有一根坏骨头）” 用来比喻某人 “诚实善良，没有任何负面的性格特征”。

例句

I don't think Rita stole your lunch – she hasn't got a bad bone in her body.

我不认为是丽塔偷了你的午饭，她这人一点坏心眼都没有。

Wang Jing hasn't got a bad bone in her body – she's always helpful when she's at work.

王静心地善良，在工作时总是乐于助人。

I'm surprised Ollie said that behind your back – I thought he didn't have a bad bone in his body!

我很惊讶奥利在背后说你的坏话，我还以为他这人一点坏心眼都没有呢！