at cross purposes meaning in Chinese

• 互相误解
• 南辕北辙

• cross:    n. 克罗斯〔姓氏〕。
• purpose:    n. 1.目的，宗旨，意向。 2.决 ...
• be at cross purposes:    他把盖子拧得太紧我无法打开

Examples

1. Tom ' s parents acted at cross purposes in advising him ; his father wanted him to become a doctor ; but his mother wanted him to become a minister
   汤姆的双亲给他的忠告不一，两人的意见背道而驰；父亲要他成为医生，但母亲要他做个牧师。