恰好

HSK 6

qiàhǎo

just right; coincidentally

by lucky coincidence; (of number, time, size etc) just right

他来的时候正好我有空。

Tā lái de shíhòu zhǎngqǐ wǒ yǒu kòng。

He came just when I had free time.

这个房间的大小恰巧合适。

Zhège fángjiān de dàxiǎo zhǎngqǐ héshì。

The size of this room was exactly what I needed.