1
fasten/do up a buckle
常用动词表示扣紧扣子。
He fastened the buckle on his belt.
他扣上了皮带上的扣子。
皮带扣；搭扣
buckles — plural of buckle
先理解核心含义，再看它在真实句子里的用法。
皮带扣；搭扣
A metal or plastic fastener used to join the ends of a belt or strap, usually with a prong.
He fastened the buckle on his belt.
他扣上了皮带上的扣子。
一种带铰接舌片或尖钉的金属扣,皮带或带子穿过并被舌片或尖钉刺入,以扣紧带子两端或将带子固定到其他物体上。
A metal clasp with a hinged tongue or a spike through which a belt or strap is passed and penetrated by the tongue or spike, in order to fasten the ends of the belt together or to secure the strap to something else.
扭曲；弯曲、鼓起或扭结。
A distortion; a bend, bulge, or kink.
连接皮带或带子的两端的扣件；通常有松动的插销
fastener that fastens together two ends of a belt or strap; often has loose prong
重大的冲突或斗争。
A great conflict or struggle.
He tightened the buckle on his belt.
他系紧了皮带上的扣子。
The buckle on her shoe was made of silver.
她鞋上的扣子是银制的。
The bag has a large gold buckle.
这个包有一个大的金色扣子。
常用动词表示扣紧扣子。
He fastened the buckle on his belt.
他扣上了皮带上的扣子。
She undid the buckle and took off the backpack.
她解开扣子，取下了背包。
表示扣子所属的物品。
The buckle of his belt was made of silver.
他皮带上的扣子是银制的。
Not this
I need buckle for my belt.
Use this
I need a buckle for my belt.
中文学习者常遗漏冠词，因汉语没有冠词系统。buckle是可数名词单数，需加不定冠词a。
Not this
I have two buckle.
Use this
I have two buckles.
buckle为可数名词，复数形式需加-s，即buckles。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
皮带扣
He proudly wore a silver belt buckle.
他自豪地戴着银色的皮带扣。
安全带卡扣
Click the seatbelt buckle into place.
把安全带卡扣咔哒一声扣好。
扣上搭扣
Remember to fasten the buckle on your life jacket.
记得扣好救生衣上的搭扣。
解开搭扣
She undid the buckle to take off her boots.
她解开搭扣，脱下靴子。
开始认真工作；全力以赴
You'd better buckle down if you want to pass the exam.
如果你想通过考试，最好开始认真复习。
系好安全带；做好准备
Buckle up, we're in for a bumpy ride.
系好安全带，我们要经历一段颠簸的旅程。
屈服；承受不住
He buckled under the pressure of the job.
他在工作压力下垮掉了。
Use buckles naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
buckle = 皮带扣：想象字母 b 像扣环，皮带（belt）从 b 中穿过，扣住两端。
语域：neutral 常见场景：belts and clothing、bags and luggage、seat belts and safety gear 作名词时通常表示“皮带扣/搭扣”，属于日常中性用词，比较常见于服装、箱包、鞋靴等物品的描述中。
chuckle, knuckle, and suckle rhyme with buckle (/ˈbʌkəl/): all end in /kəl/. Beware bucket (/ˈbʌkɪt/) and buck (/bʌk/), which look similar but are pronounced differently and do not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.