擅长的英语表达是：be good at 音标发音：英 [bi: ɡud æt] 美 [bi ɡʊd æt] ，常用于表达:擅长;健;精通;熟谙等意思。
Diplomacy was in his blood: his ancestors had been feudal lords
He is good at charming money out of companies.
I'm not very good at flirting or chasing women
Caine has always been an actor who excels in irony
The key to his success is his logical mind.
Cooper was a good mixer, he was popular.
Cultures that were better at trading saw a concomitant increase in their wealth
What they were really good at was full-on rock'n'roll
They appear masters in the art of making regulations work their way.