若無其事
ruòwúqíshì
ㄖㄨㄛˋ ㄨˊ ㄑㄧˊ ㄕˋ
Simplified 若无其事
- 1(idiom) as if nothing had happened; calm and composed; nonchalant
Example
他雖然擺著一副若無其事的樣子，但是我想他心裡一定擔心得不得了。
tā suīrán bǎi zhe yí fù ruòwúqíshì de yàngzi dànshì wǒ xiǎng tā xīnli yídìng dānxīn de bùdéliǎo
He'll never show it, but I think that deep down, he's seriously worried.