1
the backside of sth
表示物体的背面或后部。
He painted the backside of the house.
他粉刷了房子的背面。
屁股；臀部
先理解核心含义，再看它在真实句子里的用法。
屁股；臀部
the fleshy part of the human body that you sit on; buttocks
He painted the backside of the house.
他粉刷了房子的背面。
非正式
任何事物的背面,与正面相对的部分,尤其是
The back side of anything, the part opposite its front, particularly
物体与正面相对的一面
the side of an object that is opposite its front
任何事物的背面,与正面相对的部分
The back side of anything, the part opposite its front
人体坐下时的肉体部分
the fleshy part of the human body that you sit on
The backside of the house faces the garden.
房子的背面朝向花园。
He slipped on the ice and landed hard on his backside.
他在冰上滑倒了，屁股重重地摔在地上。
The washing instructions are printed on the backside of the label.
洗涤说明印在标签的背面。
表示物体的背面或后部。
He painted the backside of the house.
他粉刷了房子的背面。
非正式用法，指臀部。
She slipped and landed on her backside.
她滑倒了，摔了个屁股蹲儿。
强调动作结果落在臀部。
The toddler fell on his backside and started crying.
那个幼儿一屁股坐在地上，哭了起来。
Not this
He stood backside the door.
Use this
He stood behind the door.
中文“背后”可作介词，但英语 backside 是名词，不能直接接宾语表示位置；应用介词 behind 表示“在…后面”。
Not this
The book is on the backside of the table.
Use this
The book is on the bottom of the table.
backside 指物体的背面或背部，而“桌子底部”应使用 bottom；混淆是由于中文“底部”和“背后”有时共用“背面”一词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
摔倒时屁股着地
He slipped on the ice and fell on his backside.
他在冰上滑倒，屁股着地摔了一跤。
踢某人的屁股
The boss will kick my backside if I'm late again.
如果我再迟到，老板会踢我的屁股。
别懒坐着；行动起来
Stop sitting around and get off your backside!
别干坐着了，快行动起来吧！
打屁股（的惩罚）
The child got a smack on the backside for misbehaving.
孩子因为不听话被打了一顿屁股。
建筑物的背面
The fire escape is on the backside of the building.
安全梯在建筑物的背面。
月球的背面
No one had seen the backside of the moon until the space probe photographed it.
直到太空探测器拍到照片，人类才看到月球的背面。
别再懒散，行动起来
You need to get off your backside and start looking for a job.
你需要行动起来，开始找工作。
令人厌烦的人或事
The new software is a pain in the backside to learn.
这个新软件学起来确实让人头疼。
狠揍一顿，狠狠教训某人
If he lies again, I'll kick his backside.
如果他再撒谎，我就要狠狠教训他一顿。
Use backside naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：back（背面）+ side（侧面）→ 身体背侧那一面，就是屁股；也指物体的背面。
语域：mixed 常见场景：朋友间闲聊、书面描述或技术文档 backside 的语体随含义变化：指“屁股”时通常用于非正式口语，比较随意；指“物体背面”时属中性，多用于书面描述。使用时需根据语境判断，正式场合一般少用。
可数名词，常与of连用
Dictionary facts from ECDICT, WIKTIONARY.