对劲

zhè zhī bǐ wǒ yòng zhe bù duì jìn

这支笔我用着不对劲。

This pen doesn't feel quite right.

zhè zhī bǐ tài tū xiě qǐ zì bù duì jìn

这支笔太秃，写起字不对劲。

This pen is blunt, and it doesn't write well.

tā men liǎng gè yī xiàng hěn duì jìn

他们两个一向很对劲。

The two of them have always got along very well.

tán de hěn duì jìn

谈得很对劲

get along nicely