seal
verbVerb Forms
Idioms Phrasal Verbs| present simple I / you / we / they seal | |
| he / she / it seals | |
| past simple sealed | |
| past participle sealed | |
| -ing form sealing |
- seal something (up/down)
to close an envelope, etc. by sticking the edges of the opening together 封上（信封） Make sure you've signed the cheque before sealing the envelope. 一定要在支票上签了名再封信封。 a sealed bid (= one that is kept in a sealed envelope and therefore remains secret until all other bids have been received) 密封（投）标
- [often passive]
to close a container tightly or fill a small opening, etc., especially so that air, liquid, etc. cannot get in or out 密封（容器） - seal something (with something)
He sealed the bag tightly with sticky tape. 他用胶带将袋子牢牢地封住了。 - be sealed (up) (with something)
The windows and doors had been sealed up with bricks. 门窗已经用砖块封严了。 The organs are kept in sealed plastic bags. 这些器官保存在密封塑料袋里。
Extra ExamplesThe containers must be carefully sealed so that no air can get in. 这些容器必须仔细封好，不能让空气进去。 The whole unit is sealed to prevent dust getting in. 整个装置是密封的，以防止灰尘进入。 The unit is completely sealed. 这个装置处于完全密封状态。 a hermetically sealed container 密封的容器
Oxford Collocations Dictionaryadverb- carefully
- properly
- tightly
- …
- from
- with
- seal something (with something)
- seal something
to make something definite, so that it cannot be changed or argued about 确定；明确定下来；使成定局 to seal a contract 订立合同 They drank a glass of wine to seal their new friendship. 他们干了一杯，交成朋友。 The discovery of new evidence sealed his fate (= nothing could prevent what was going to happen to him). 新发现的证据决定了他的命运。 She sealed victory with a birdie at the final hole. 她在最后一洞用一只小鸟锁定了胜利。
- [often passive] seal something (with something)
to cover the surface of something with a substance in order to protect it 封盖…的表面 - seal something
(of the police, army, etc. 警察、军队等 to prevent people from passing through a place 关闭；封闭；封锁 Oxford Collocations Dictionaryadverb- carefully
- properly
- tightly
- …
- from
- with
close envelope封上信封
close container密封容器
make something definite确定
cover surface覆盖表面
close borders/exits关闭边界／出口
Word Originverb Middle English (in senses (2), (5) and (6)): from Old French seel (noun), seeler (verb), from Latin sigillum ‘small picture’, diminutive of signum ‘a sign’.
Idioms
my lips are sealed
used to say that you will not repeat somebody’s secret to other people （表示不会说出某人的秘密）我把嘴封住，我绝口不提
signed and sealed | signed, sealed and delivered
definite, because all the legal documents have been signed 签名盖章完毕的；铁定的；成定局的 The contracts are already signed and sealed. 那些合同已经生效了。
More Like This Alliteration in idiomsAlliteration in idioms- belt and braces
- black and blue
- born and bred
- chalk and cheese
- chop and change
- done and dusted
- down and dirty
- in dribs and drabs
- eat somebody out of house and home
- facts and figures
- fast and furious
- first and foremost
- forgive and forget
- hale and hearty
- hem and haw
- kith and kin
- mix and match
- part and parcel
- puff and pant
- to rack and ruin
- rant and rave
- risk life and limb
- short and sweet
- signed and sealed
- spic and span
- through thick and thin
- this and that
- top and tail
- tried and tested
- wax and wane