hump one's back
collocation拱起背；弓背
The cat humped its back and hissed at the dog.
猫弓起背，朝着狗发出嘶嘶声。
（粗俗）性交；抽送
先理解核心含义，再看它在真实句子里的用法。
（粗俗）性交；抽送
To move the pelvis in a repeated, rhythmic way during sex.
He humped his back to stretch after sitting all day.
他弓起背，伸展一下坐了一天的身体。
俚语，较粗俗
将某物弯成驼峰状。
To bend something into a hump.
搬运(某物),尤其是费力地。
To carry (something), especially with some exertion.
以有助于性交的方式有节奏地摆动骨盆。
To rhythmically thrust the pelvis in a manner conducive to sexual intercourse.
在驼峰调车场将货车推过驼峰。
To shunt wagons / freight cars over the hump in a hump yard.
hump
Base
原形
humps
3rd person
第三人称单数
humping
-ing
现在分词
humped
Past
过去式
humped
Past participle
过去分词
The cat humps its back when scared.
猫害怕时弓起背。
He humped the heavy box up the stairs.
他吃力地把沉重的箱子搬上楼梯。
She is humping her shoulders to avoid the rain.
她正弓着肩膀躲雨。
规则动词
The cat humped its back when it saw the dog.
猫看见狗时弓起了背。
She humped forward as she tried to lift the heavy box.
她弓着身子试图抬起那个重箱子。
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拱起背；弓背
The cat humped its back and hissed at the dog.
猫弓起背，朝着狗发出嘶嘶声。
费力地扛起重物
He humped a heavy load up four flights of stairs.
他扛着重物爬了四段楼梯。
搬运行李
We humped our luggage to the hotel room ourselves.
我们自己把行李搬到旅馆房间。
在驼峰调车场推送货车
The crew quickly humped the freight cars over the hump.
工作人员迅速将货车推过驼峰。
（狗等）爬跨某人的腿
The dog tried to hump my leg at the park.
那条狗在公园里试图爬跨我的腿。
度过最困难阶段；越过难关
Once we finish this project, we'll be over the hump.
一旦完成这个项目，我们就度过最困难的阶段了。
驼峰日；（指一周工作日的）星期三
It's hump day, so we're halfway to the weekend.
今天是驼峰日，所以我们离周末还有一半。
（英式口语）生气；不高兴；闹别扭
He got the hump when I didn't invite him to the party.
因为我没有邀请他参加聚会，他生气了。
我正要开始扭动、扭动、扭动、扭动。
The band played a funky rhythm and the crowd started to hump.
乐队奏起了放克节奏，人群开始扭动起来。
Use hump naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
hump 读音像“哈普”，联想人弓起背（像驼峰）费力扛重物，身体一拱一拱的样子。
语域：mixed 常见场景：日常口语中搬运重物或使身体/物体拱起、粗俗的性相关对话、铁路调车作业 hump 作动词时，通常用于非正式或粗俗场合，具体含义因搭配和语境而异。口语中多表示“费力地搬”或“使拱起”；与性相关时属于粗俗说法；铁路调车义则比较常见于专业领域。正式写作中较少使用，需根据具体语境判断。
这些词都以 /ʌmp/ 结尾，与 hump 的元音和后面的辅音完全一致，都押韵。注意 hump 中的 h 要发音。不要把它与拼写相近但发音不同的词混淆，如 hum /hʌm/（没有 /p/）或 hunch /hʌntʃ/，它们不押韵。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.