下功夫

see 下工夫[xia4 gong1 fu5]

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action

meritorious deed or service / achievement / result / service / accomplishment / work (physics)

skill / art / kung fu / labor / effort

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

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