查询结果:

adj. 熟练的,老练的,精通的 
n. 内行,熟手,名家

拆分: ad-加强意义 + -apt-适合→e和a元音互换→ept能干   

例:
adj.
He is an adept mechanic. 他是个熟练的机械师。 
She is adept in music. 她是位音乐大师。 
He is unusually adept in mathematical calculations. 他非常精通数学计算。 
She is adept at cooking. 她善于烹饪。 
He is adept at organization work. 他精于组织工作。
n.
an adept at chess 一位象棋名手   
adept in handicraft 擅长手工