Correct

苦于

/ kǔ yú / 
Strokes

Example

As a Verb

suffer from (a disadvantage)

1
Kǔyú
苦于
zījīn
资金
duǎnquē
短缺

be hard pressed for funds

2
Kǔyú
苦于
zhùfáng
住房
jǐnzhāng
紧张

suffer from the shortage of housing

3
Kǔyú
苦于
fùzhài
负债

be harassed with debts

4
Kǔyú
苦于
bù
不
shízì
识字

be handicapped by illiteracy

As a Verb

(of life) be more bitter than; be worse off than; be harder than

5
Xiāngxia
乡下
yīxiē
一些
rén
人
de
的
shēnghuó
生活
kǔyú
苦于
wǒmen
我们
  
。

Some people in the countryside were worse off than us.