have an ax to grind

• 心怀叵测

have an ax to grind的用法和样例：

例句

1. No deep, sinister soul with ulterior motives could have given her fifteen cents under the guise of friendship.
   没有一个老奸巨滑，心怀叵测的家伙能够在友谊的幌子下让她收下一毛钱。