HSK 7-9
备课
bèikè动
(of a teacher) to do one's lesson preparation
老师每天晚上认真备课。
Lǎo shī měi tiān wǎn shang rèn zhēn bèi kè.
The teacher carefully prepares lessons every evening.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.