成语 Ch-Eng

Question 1

卓有成效

Answer 1

zhuó yǒu chéng xiào
outstanding results, highly effective
同义词： 行之有效 xíngzhīyǒuxiào implement with efficiency
反义词：无济于事 wújìyúshì to no effect 劳而无功 láoérwúgōng