Correct

卓有成效

/ zhuó yǒuchéng xiào /
Strokes

Definition

highly effective/fruitful

Example

Definition

very fruitful; highly effective

1
Xīn
yuànzhǎng
院长
shàngrèn
上任
lái
以来
  
,
gōngzuò
工作
zhuóyǒuchéngxiào
卓有成效
  

Marked progress has been made ever since the new president assumed his post.

2
Gōngzuò
工作
zhuóyǒuchéngxiào
卓有成效

have made remarkable achievements in work

3
Jìnxíng
进行
zhuóyǒuchéngxiào
卓有成效
de
huìtán
会谈

hold a productive talk (with sb)