Correct

煞费苦心

/ shā fèi kǔxīn /
Strokes

Definition

to take a lot of trouble (idiom); painstaking/at the cost of a lot of effort

Example

Definition

cudgel one's brains; make painstaking effort; spare no effort; take great pains

1
shāfèixīn
煞费苦心
xúnzhǎo
寻找
如意
lángjūn
郎君
  

She took great pains in finding a good husband.

2
men
他们
shāfèixīn
煞费苦心
  
,
tǎohǎo
讨好
lǎobǎn
老板
  

They were falling over backwards to please the boss.

3
shāfèixīn
煞费苦心
píng
平息
cáiyuán
裁员
de
yáoyán
谣言
  

He was at great pains to deny the rumour of redundancies.