too..not to...意為“不太……可以……,決不……能……,非常(很,太,那么)……不會(huì)不(必定能,所以能)……”.
eg：He is too careful not to have noticed that.他那么小心,肯定會(huì)注意到那一點(diǎn)的.
She is too sad not to help crying. 她那么傷心,忍不住哭了.
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你知道,叫得太多,就安靜不了.
only too...to do sth 等于 rather ,very ,quite
例句：I am only too glad to help you.我很高興能幫助你.I am only too glad to go.我很高興能去.
補(bǔ)充：only too... to do sth是一個(gè)句型,它的意思與rather,much,very都一樣的,用來(lái)修飾形容詞,表達(dá)很怎么樣,非常怎么樣,極其怎么樣.比如我非常樂(lè)意能幫到你的忙.I am only too glad to help you .它就等于I am very glad to help you.
加not,but,all,never都是進(jìn)一層的修飾,用以表達(dá)更強(qiáng)烈的感情.比如I am only never too glad to know you.認(rèn)識(shí)你我再高興不過(guò)了.
括號(hào)里面的not,all,never,but都是用以修飾的,加強(qiáng)語(yǔ)氣肯定或否定.你可以不帶這些詞,直接用only too... to do sth,也可以加上這些修飾的詞,以加強(qiáng)感情的表達(dá).
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too…not to ,太...以至于不能...
but/only too… to因?yàn)?..而不能...
too ready/eager/apt/inclined to 太想...或者是傾向...或者是準(zhǔn)備好.