1. 他并不在乎我。

[ tā bìng bù zài hū wǒ 。 ]

He doesn't care about me.

2. 你看上去好像满不在乎。

[ nǐ kàn shàng qù hǎo xiàng mǎn bù zài hū 。 ]

You look as if you didn't care.