呵欠

tā shū fu de dǎ le gè hē qiàn

他舒服地打了个呵欠。

He yawned luxuriantly.

bù yào zài tǎo lùn qī jiān dǎ hē qiàn

不要在讨论期间打呵欠！

Never yawn during the discussion!