【例句】The child was in his birthday suit and ran around the yard.【误解】这孩子穿着生日那天买的服装在院子里到处跑。

【正确】这孩子光着身子在院子里到处跑。

【说明】in one's birthday suit意思是“光着身子”、“一丝不挂”、“赤条条的”。