Correct

万难

/ wànnán / 
Strokes

Definition

countless difficulties/extremely difficult/against all odds

Example

As an Adverb

extremely difficult; utterly impossible

1
Wànnán
万难
zhàobàn
照办

impossible to do as requested

2
Wàn
万
nán
难
tuīcí
推辞

be extremely difficult to say ‘no'

3
Wànnán
万难
tóngyì
同意

can by no means agree

4
Wànnán
万难
cóngmìng
从命

impossible to comply with sb's request

As a Noun

all sorts of difficulties

5
Páichúwànnán
排除万难

surmount all difficulties