قیافه غلط انداز

Question

مثلاً بگیم:

فلانی قیافش خیلی غلط اندازه!

ترجیحاً اصطلاح....

Answer 1

Hi

I think "rough diamond" could do the trick.

see this http://dictionary.cambridge.org/dictionary/english/rough-diamond

Answer 2

Hi!

 

Appearances/ looks can be deceiving.

Prov. Things can look different from the way they really are; used  to say that something can be very different from how it seems or appears to be.

 

▪️Edward seems like a very nice boy, but appearances can be deceiving. 

▪️Jane may look like she doesn't understand you, but she's really extremely bright. Appearances can be deceiving.

▪️The restaurant doesn't look very appealing, but looks can be deceiving/deceptive.

 

http://idioms.thefreedictionary.com/Appearances+can+be+deceiving

http://www.merriam-webster.com/dictionary/looks%20can%20be%20deceiving/deceptive

 

Answer 3

not be as black as you are painted!

not to be as bad as people say you are

Answer 4

He has a very belying face.

The boxer's childlike face belies the ferocity with which he can attack opponents in the ring.

Besides, if you want to mention someone is good but their face do not show it:

He is a diamond in the rough (AmE)

Or

He is a rough diamond (BrE).