let in

基本解釋

The coating blocks heat from the sun while letting in light.
這種金屬涂層能夠阻止熱能進(jìn)入室內(nèi)，同時(shí)又讓光線進(jìn)入室內(nèi)。
Despite letting in some aid, and some foreign relief workers, Burma's government continues to restrict the amount of help that is reaching the victims.
雖然緬甸政府已經(jīng)允許一部分救援物資和一些外國(guó)救援人員進(jìn)入緬甸，但是它還在限制能夠到達(dá)災(zāi)民手中的援助。
But a plaintive note explaining the closure—thieves have stripped the roof of its copper cladding, letting in rain on the books below—hints at profound changes to the global economy.
但一張哀傷的便箋不僅解釋了其閉館的原因——小偷們把屋頂外層銅質(zhì)的包層給剝?nèi)チ?，任由雨滴落在下面的?shū)上——它也暗示著全球經(jīng)濟(jì)的深刻變化。

In everyday speech, holding your cards close to your vest means not letting other know what you are doing or thinking.
It's an opportunity to deal with those perhaps in a more constructive way, than letting the feeling spiral.
也許可以借這個(gè)機(jī)會(huì)用更有建設(shè)性,的方法應(yīng)對(duì)，而不是使負(fù)面情緒惡化。
普林斯頓公開(kāi)課 - 人性課程節(jié)選
because they're fighting against letting immigrants coming in and attack us and terrorism.
因?yàn)樗麄兎磳?duì)移民者入境，接著襲擊我們，引發(fā)恐怖主義。
英國(guó)的極右政黨 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人

We can do this by opening the borders and letting in more high-skilled workers.
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If an object lets in something such as air, light, or water, it allows air, light, or water to get into it, for example, because the object has a hole in it. ( )