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. 她善于种玫瑰花.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.