Word · CEFR B1 · Frequency #105
back (adv.)
支持；资助
To support or endorse someone or something.
- 1.
To go in the reverse direction.
朝相反方向行进。
- 2.
To support.
支持。
- 3.
To change direction contrary to the normal pattern; that is, to shift anticlockwise in the northern hemisphere, or clockwise in the southern hemisphere.
改变方向,与正常模式相反；即北半球逆时针,南半球顺时针。
- 4.
To brace the yards so that the wind presses on the front of the sail, to slow the ship.
转动帆桁使风压向帆面,以降低船速。
- 5.
To lay out a second, smaller anchor to provide additional holding power.
布设第二个较小的锚以增加抓力。
- 6.
To push or force backwards.
向后推或迫使后退。
- 7.
To make a back for; to furnish with a back.
给......装背衬；为......提供背部支撑。
- 8.
To adjoin behind; to be at the back of.
紧接在后面；位于......的后面。
- 9.
To write upon the back of, possibly as an endorsement.
写在......的背面,可能是背书。
- 10.
To sign or endorse (a warrant, issued in another county, to apprehend an offender).
签署或背书(在其他县签发的逮捕令)。
- 11.
To row backward with (oars).
(用桨)向后划。
（使）后退；倒退；位于…后面；背靠；在…背面书写；在背面签名；签批（逮捕令）；给…装靠背；加背衬
In use
He backed his friend's proposal during the meeting.
Several investors backed the startup with a large sum of money.
I will back your plan if you can provide more details.
back someone/something
表示支持或赞同，常指提供财务或道义上的支持。
Many people backed the proposal.
许多人支持这个提议。
back out (of something)
意为退出或食言，常用于承诺或协议。
He backed out of the deal at the last minute.
他在最后一刻退出了交易。
back into something
指将车辆等倒行进入某处。
She backed the car into the garage.
Connections
Collocations
- back a plan
- 支持一项计划
- The committee decided to back the plan.委员会决定支持这项计划。
- back a candidate
- 支持一位候选人
- Many people backed the candidate in the election.许多人在选举中支持那位候选人。
- back a project
- 支持一个项目
- The company backed the project with significant funding.公司用大量资金支持这个项目。
- back down
- 退缩，让步
- He refused to back down despite the criticism.尽管受到批评，他拒绝让步。
- back up
- 支持，证实
- Can you back up your claim with evidence?你能用证据支持你的说法吗？
- back away
Learner notes
Memory Tip
联想“back”作为动词：背后支持是back，倒车后退也是back，就像有人在你背后撑腰或你向后倒车。
Context & Register
典型语境：日常对话、体育评论、商业谈判、政治支持。语体：混合，通常用于非正式场合，但在正式场合也可使用，比较常见于口语中。
Grammar Note
作为动词时，既可作及物动词也可作不及物动词。及物用法如 back a candidate (支持候选人)，不及物用法如 back away (后退)。
Pronunciation & Spelling
All listed words share the /æk/ ending with 'back' (verb), so they rhyme exactly. Note that spelling may differ (e.g., 'pack' vs. 'black'), but the sound matches.
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 5，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.