expert at

• Rex soon became an expert at opening the gate
  Rex很快就成了一个开门能手了。
• You north koreans are experts at making up stories
  你们北韩很擅长编故事吧
• Rex soon became an expert at opening the gate
  雷克斯很快成了开门的专家。
• Counterfeit artists are experts at graphoanalysis
  伪造者是最好的分析家
• Let me try . i ' m not expert at making pastry
  让我试试吧,我不太会做糕点
• Help them become an expert at something
  帮助他们在某方面成为一个专家。
• But by then , tom and i were experts at managing chaos
  但是同时， tom和我必须面对这些混乱
• Help them become an expert at something
  帮助他们成为某方面的能手。
• Circus clowns are experts at walking and running on stilts
  马戏团的小丑善于踩着高跷走和跑。
• His wife is expert at making coffee
  他的妻子是煮咖啡的好手。