若无其事

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

在法庭上，甚至当法官命令赔偿一千镑时，仍然表现得若无其。

He behaved as if nothing had happened.

作若无其的样子。

He sauntered casually through the door.

若无其地走过了那门。

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

她做对自己的失调和苦恼若无其，但上她为自己的健康状况非常发愁的人。