The child was in his birthday suit and ran about the yard. 【误译】那个孩子穿着生日服装在院子里到处跑。 【正确】那个孩子光着身子在院子里到处跑。 说明： birthday suit/clothes 是戏谑语， 意为"光着身子","一丝不挂","裸体"。