be good at[英][bi: ɡud æt][美][bi ɡʊd æt]v.擅长; 健; 精通; 熟谙; 例句:

1.Be good at making our unpleasant formatting. 善于把我们的不愉快格式化。

2.But the girls who didn't buy into that stereotype, who thought, of course I can be goodat math, didn't tumble into an achievement gulf. 但是对于那些没有认同这一思维定势的女生来说，她们会认为我当然可以学好数学，因而并不会跌入深渊。