对头

1. correct; on the right track

♦ 方法~, 效率就高。 When the method is correct, efficiency is high. or Good methods make for high efficiency.

2. (usu. used in the negative) normal; right

♦ 你的脸色不~。 You're not looking well.

3. (usu. used in the negative) get on well; hit it off

♦ 过去他俩不大~, 现在却合得来了。 The two didn't get along in the past but now they hit it off well.

4. enemy

♦ 死~ sworn enemy

5. opponent; adversary