To spend a significant amount of time and effort in order to accomplish something or master a skill; also written as [[下功夫|下功夫|xia4 gong1 fu5]].

spare time; time spent at leisure or in being idle

to spend a great deal of time and effort; to be demanding or exacting

To put in time and energy toward a task; to concentrate one's efforts on something.

to put in time and effort; to work hard at a skill or study, often used in the context of practicing martial arts

Unflagging, painstaking work; intense effort applied to a task, sometimes implying a plodding or mechanical approach

a specialized, highly concentrated tea-brewing style or the tea produced by it, popular in Chaozhou, Fujian, and Taiwan

Actions done just for show to make something look good on the surface while lacking real substance; window dressing.

To travel far and wide looking for something, only to find it by chance and without effort.

strenuous work or great effort put into a task

To squeeze in or make good use of available time; to find a spare moment to do something.

to squeeze in time for something or to manage to find some spare time to do something