Meaning of bù duì:
不对
incorrect; wrong; amiss; abnormal; queer
Nǐ de dá'àn shì bù duì de.
你的答案是不对的。
Your answer is incorrect.
Zhè ge dá'àn shì bù duì de.
这个答案是不对的。
This answer is wrong.
Zhè jiàn shì yǒuxiē bùduì jìn.
这件事有些不对劲。
Something feels a bit amiss with this matter.
Jīntiān de tiānqì yǒudiǎn bùduì, gǎnjué róngyì xiàyǔ.
今天的天气有点不对,感觉容易下雨。
Today's weather feels a bit abnormal; it seems like it's going to rain.
Zhè jiàn shìqíng tīng qǐlái yǒuxiē bù duì.
这件事情听起来有些不对。
This matter sounds a bit queer.