adept
/ˈædept, əˈdept; `ædɛpt, ə`dɛpt/ adj
~ (in sth); ~ (at/in doing sth) expert or skilful in (doing) sth 对（做）某事物内行的, 熟练的
She's adept at growing roses. 她善於种玫瑰花. adept, n ~ (at/in sth) person who is skilful (in sth) （某事物的）行家; 内行; 熟手
He's an adept in carpentry. 他是木工行家.