若无其事

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，他现得若无其事。

He behaved as if nothing had happened.

他装作若无其事样子。

He sauntered casually through the door.

他若无其事地走过了那门。

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

她装做对自失调和苦恼若无其事，但是实际上她是为自康状况非常发愁人。