不然

bùrán

conjunction HSK 5 #1,109

Meanings

HSK 3

快走吧，不然要迟到了。

Kuài zǒu ba, bùrán yào chídào le.

Let's go quickly, otherwise we'll be late.

HSK 4

带件外套，不然会冷。

Dài jiàn wàitào, bùrán huì lěng.

Bring a jacket, otherwise you'll be cold.

HSK 7-9

你要好好学习，不然考试会不及格。

Nǐ yào hǎohao xuéxí, bùrán kǎoshì huì bù jígé.

You need to study hard, or else you'll fail the exam.

usage

不然 is used after a suggestion or warning to state the consequence. It's similar to 要不然, which is slightly more colloquial.

不 bù

然 rán