费工夫

to spend a great deal of time and effort / (of a task) demanding / exacting

surname Fei

to cost / to spend / fee / wasteful / expenses

work / worker / skill / profession / trade / craft / labor

(old) laborer

period of time (may be months, or mere seconds) / spare time / skill / labor / effort

husband / man / manual worker / conscripted laborer (old)

(classical) this, that / he, she, they / (exclamatory final particle) / (initial particle, introduces an opinion)

to travel far and wide looking for sth, only to find it easily