苦闷

苦闷	kǔ mèn	depressed / dejected / feeling low
苦	kǔ	bitter / hardship / pain / to suffer / to bring suffering to / painstakingly
闷	mēn	stuffy / shut indoors / to smother / to cover tightly
闷	mèn	bored / depressed / melancholy / sealed / airtight / tightly closed