Word: 而是

他不是老师，而是医生。

Tā bú shì lǎoshī, érshì yīshēng.

He is not a teacher but a doctor.

他没有出去，而是坐下了。

Tā méiyǒu chūqù, érshì zuòxiale.

He didn't go out, but instead sat down.

关键不在穿什么，而是怎么穿。

Guānjiàn bú zài chuān shénme, érshì zěnme chuān.

It's not what you wear, it's how you wear it.

她们不是敌人，而是朋友。

Tāmen bú shì dírén, érshì péngyou.

They are not enemies, but friends.

她爱的不是你，而是我。

Tā ài de bú shì nǐ, érshì wǒ.

It's not you that she loves, it's me.