wet blanket

Từ điển Việt Anh Việt 4in1 - English Vietnamese 4 in 1 Dictionary

ˌwet ˈblanket / $ ˈ. ˌ../ BrE AmE noun [countable]
informal someone who seems to want to spoil other people’s fun, for example by refusing to join them in something enjoyable that they are doing

wet+blankethu

※	thành ngữ blanket
	〆	to put a wet blanket on somebody, to throw a wet blanket over somebody
		✓	làm nhụt nhuệ khí của ai, làm ai nản chí, làm ai cụt hứng