她以优雅的沉着接受了这个具有挑战性的消息。

She accepted the challenging news with a ___graceful composure.

他发表了优雅的让步演讲，感谢支持者并祝贺对手。

He gave a ___graceful concession speech, thanking his supporters and congratulating his opponent.

尽管压力巨大，她优雅且彬彬有礼的举止从未动摇。

Despite the intense pressure, her ___graceful and civil manners never faltered.