diamond in the rough
01
someone who is much nicer and friendlier than they first appear
Dialect
American
American
Approving
Idiom
例
Although initially reserved, Mike revealed himself to be a diamond in the rough, surprising everyone with his unwavering support and generosity.
02
something that has potential or is of great value, but is currently unpolished, unrefined, or in need of improvement
例
The house is a diamond in the rough, and with some hard work it will be really beautiful.
