appear to be tough outwardly , be timid inwardly
Chinese idiom, Pinyin is w à IL à n è IR à n, meaning tough on the surface but weak in the heart.
Idiom usage
Used as a predicate or attributive.
Examples
I look down on those villains who are domineering and aggressive.
Now it's hard to ride a tiger, so he has to say: "good! Let me do it
As you expected, the other side was tough on the outside and tough on the inside. As soon as we insisted, they gave in.
Don't be intimidated by his behavior. It's a show of being tough and weak. It's used to cover up your guilty heart.
But she's tough on the outside and noisy on weekdays. When it's really urgent, she's silent.
You don't think he's as fierce as a tiger. In fact, he's tough on the outside and tough on the inside. As soon as he sees the officer, he looks like a kitten!
Seeing that the situation was not good for him, he said: "this account will be calculated with you later!"
appear to be tough outwardly , be timid inwardly
be good at deliberating and judging - néng móu shàn duàn
crisscross chariot tracks and drooping banners - zhé luàn qí mǐ
engrave the moon and cut out clouds -- a skilled work of art or literature - lòu yuè cái yún
weigh the advantages and disadvantages - quán héng lì bì