用心 的中文句子和英文句子

他终于露出了他那邪恶的用心。

He showed his sinister motive at last.


他们不管事, 我们为改进工作的用心也就白费了.

Their unhelpfulness has stultified our efforts to improve things.


他的友好行为不过是他险恶用心的伪装。

His friendly behaviour was a cloak for his evil intentions.