Mrs.White seems to have a devil of a temper, but she is a rough diamond. 懷特太太看來脾氣很壞,但她是個心地很好的人。
I know he looks a bit of a rough diamond in his tattered jeans, but apparently he does a lot of good work for local charities. 我知道他穿著破爛的牛仔褲看上去有些渾金璞玉的樣子,但清楚他是為當地的慈善事業做了許多有益的工作。