birthday suit

英 [ˈbɜːθdeɪ suːt]

美 [ˈbɜːrθdeɪ suːt]

n. 裸体; 一丝不挂

柯林斯词典

noun

informal terms for nakedness
1. in the raw
2. in the altogether
3. in his birthday suit
Synonym:rawaltogether

For sanitary reasons, you are supposed to swim in your birthday suit here.
为了公共卫生起见，在这里游泳应当要穿「生日服装」。
She was sunbathing in the birthday suit on the beach
她正一丝不挂地在海滩上做日光浴
Here's a snapshot of me at six months old, wearing my birthday suit.
这张照片是我6个月时光着身子拍的。
Sophia went into the bathroom and found Mary in her birthday suit.
索菲亚走进浴室，发现玛丽一丝不挂。
Our two-year old likes to run around in his birthday suit.
我们二岁的孩子喜欢光着身子到处跑。
The child was in his birthday suit and ran about the yard.
那个孩子光着身子在院子里到处跑。
She showed up at the party wearing nothing but her birthday suit.
她出现在聚会上的时候什么也没有穿。
You sure you don't wanna borrow my birthday suit?
确定不借我的生日礼服？
The little boys were swimming in their birthday suit.
那些男孩子正光着身子在游泳。
So what if men like to look at you in your birthday suit?
那要是男人都想看你穿生日装时的样子呢？