若无其事

1.He behaved as if nothing had happened.

他作若无事的样子。

2.He sauntered casually through the door.

他若无事地走过了那道门。

3.He appeared nonchalant in court even when the judge ordered him to pay ￡1000.

在法庭上，甚至当法官命令他赔偿一千镑时，他仍然若无事。

4.She affected to be spunky about her ailments and afflictions, but she was in fact an utterly self-centered valetudinarian.

她自己的失调和苦恼若无事，但是实际上她是为自己的健康状况非常发愁的人。