HSK 7-9
闷
mèn形
bored; depressed; melancholy; sealed; airtight
比赛取消后，他心里很闷。
Bǐsài qǔxiāo hòu, tā xīnlǐ hěn mèn.
He felt down after the match was canceled.
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.