Correct
难于
/ nán yú /
Strokes
Definition
difficult
Example
As an Adverb
hard/difficult to do sth
1
Nányú
难于
zòuxiào
奏效
be hard to get result
2
Nányú
难于
qǐchǐ
启齿
too shy to speak out; too embarrassed to mention
As an Adverb
harder than; more difficult than
3
Shǔdào
蜀道
zhī
之
nán
难
,
nányúshàngqīngtiān
难于上青天
。
The road to Sichuan is as difficult as climbing to heaven.
4
Dìyī
第一
tí
题
nányú
难于
dìèr
第二
tí
题
。
The first question is more difficult than the second.