“無微不至”，漢語成語，意思是無論如何細微，都能周全照應。形容關懷、照顧得非常周到、細緻。可以翻譯爲“with great care/meticulousness，in every possible way”，常用搭配“無微不至地照料/關懷（take infinite care of somebody）”。
例句：
她對孩子們的關懷無微不至。
She takes the greatest possible care of the children.
她丈夫生病期間，她無微不至地照顧他。
She tended her husband carefully during his illness.