1
wear a nightshirt
动词 wear 后直接接衣物名词，表示穿着某件衣服。
He usually wears a nightshirt to bed.
他通常穿着衬衫式长睡衣上床睡觉。
男款衬衫式睡衣；男式长睡衣
先理解核心含义，再看它在真实句子里的用法。
男款衬衫式睡衣；男式长睡衣
a loose shirt worn by men as nightclothes
He usually wears a nightshirt to bed.
他通常穿着衬衫式长睡衣上床睡觉。
一种衬衫式的睡衣。
A shirt-like garment (often oversized) that is worn to bed.
He changed into his nightshirt and got into bed.
他换上自己的衬衫式长睡衣，然后上了床。
My grandpa prefers to wear a warm nightshirt on cold winter nights.
我爷爷在寒冷的冬夜里喜欢穿一件保暖的衬衫式长睡衣。
She bought her husband a new nightshirt for their anniversary.
她为丈夫的结婚纪念日买了一件新衬衫式长睡衣。
动词 wear 后直接接衣物名词，表示穿着某件衣服。
He usually wears a nightshirt to bed.
他通常穿着衬衫式长睡衣上床睡觉。
介词 in 加衣物名词表示处于穿着该衣物的状态。
He answered the door in his nightshirt.
他穿着衬衫式长睡衣去开了门。
change into 后接衣物，表示换成某件衣服。
After the shower, he changed into a nightshirt.
淋浴后，他换上了衬衫式长睡衣。
Not this
He sleeps in nightshirt.
Use this
He sleeps in a nightshirt.
nightshirt 是可数名词单数，不能单独使用，需要冠词 a 或 an；a nightshirt 表示一件男式衬衫睡衣。
Not this
He bought two nightshirt.
Use this
He bought two nightshirts.
two 后接可数名词复数，nightshirt 的复数是 nightshirts；漏加 -s 是名词复数变化错误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
穿衬衫式睡衣
He usually wears a nightshirt to bed.
他通常穿着衬衫式睡衣睡觉。
穿着衬衫式睡衣
He came to the door in a nightshirt.
他穿着衬衫式睡衣来到门口。
法兰绒衬衫式睡衣
He wore a warm flannel nightshirt in winter.
冬天他穿一件暖和的法兰绒衬衫式睡衣。
白色衬衫式睡衣
The old man slept in a white nightshirt.
那位老人穿着白色衬衫式睡衣睡觉。
棉质衬衫式睡衣
A cotton nightshirt is cool and comfortable.
棉质衬衫式睡衣凉爽舒适。
长款衬衫式睡衣
His long nightshirt reached his knees.
他的长衬衫式睡衣长及膝盖。
Use nightshirt naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 night（夜）和 shirt（衬衫）拼一起：夜里穿的衬衫式睡衣，专指男式长睡衣。
语域：neutral 常见场景：睡眠和居家场景、服装商品描述、日常交谈 该词为中性常用词，通常用于日常谈论睡衣或购买衣物时，没有明显的正式或口语色彩。
shirt、skirt、dirt、hurt 彼此押韵（/ɜːt/），并且与 nightshirt 结尾的元音+辅音相同；注意 hurt 拼写为 -ur，但发音同 -ir。light、right 与 nightshirt 前半部分 night（/naɪt/）押韵，注意 -ight 中的 gh 不发音，读作 /aɪt/。注意别把 shirt 混同于 shift（/ʃɪft/）或 short（/ʃɔːt/），它们发音不同。
Dictionary facts from ECDICT, WIKTIONARY.