cloak

他在寒冷的早晨穿了一件厚实的披风。

He wore a warm ___cloak on the chilly morning.

他披上斗篷，准备出门参加晚宴。

He put on his ___cloak before leaving for the evening party.

她友善的微笑只是掩盖内心愤怒的伪装。

Her friendly smile was just a ___cloak for the anger inside.