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词语不得而知拆分为汉字：
不字的拼音、笔画、偏旁部首、笔顺、繁体字，不字字源来历，不字演变
1. 不 [bù]2. 不 [fǒu]不 [bù]副词。用在动词、形容词和其它词前面表示否定或加在名词或名词性语素前面，构成形容词：～去。～多。～法。～料。～材（才能平庸，常用作自谦）。～刊（无须修改，不可磨灭）。～学无术。～速之客。单用，……
得字的拼音、笔画、偏旁部首、笔顺、繁体字，得字字源来历，得字演变
1. 得 [dé]2. 得 [děi]3. 得 [de]得 [dé]获取，接受：～到。～失。～益。～空（kòng）。～便。～力。～济。心～。适合：～劲。～当（dàng ）。～法。～体。满意：～意。扬扬自～。完成，实现：饭～了。～逞。～志（多……
而字的拼音、笔画、偏旁部首、笔顺、繁体字，而字字源来历，而字演变
1. 而 [ér]而 [ér]古同“尔”，代词，你或你的：“～翁归，自与汝复算耳”。连词（a.表平列，如“多～杂”。b.表相承，如“取～代之”。c.表递进，如“～且”。d.表转折，如“似是～非”。e.连接肯定和否定表互为补充，如“浓～不烈”……
知字的拼音、笔画、偏旁部首、笔顺、繁体字，知字字源来历，知字演变
1. 知 [zhī]2. 知 [zhì]知 [zhī]晓得，明了：～道。～名（著名）。～觉（有感觉而知道）。良～。～人善任。温故～新。～难而进。～情达理。使知道：通～。～照。学识，学问：～识，求～。无～。主管：～县（旧时的县长）。～府。～州……
查询词语：不得而知，试一试，用不得而知来写一句话，用不得而知造句。
汉语拼音：bù dé ér zhī
What is less clear is just how much of business and consumer software will migrate into the cloud, and how fast.
有多少业务和客户软件会迁移到云中，这个过程有多快，还不得而知。It is not clear how much further Brazil is willing to go in keeping the world's peace.
巴西今后愿意在维护世界和平这条道路上前进多远，我们不得而知。It's unclear how much of the price Unicom is charging was decided by the Chinese company and how much by Apple.
联通iPhone的售价多大程度由中国联通决定，多大程度由苹果公司决定，尚不得而知。With Treasurys yielding only 3%, it's not clear how much more demand the Fed will spur by getting them down to, say, 2. 5%.
由于财政部获利仅3%，例如美联通过降低利率到2.5%，它更能刺激多少需求还不得而知。Several languages seem to have been spoken on the Korean Peninsula at this time, and that of the Yayoi people is unknown.
这时朝鲜半岛上有好几种语言，而弥生人的语言却不得而知。Just how much has already sunk and what portion is still floating is unknown.
究竟有多少已经沉没，有多少仍在漂浮目前还不得而知。"Quantitative easing is the whipping boy, but it is not clear how much it is to blame for the reallocation of savings, " he said.
“量化宽松是替罪羊，但储蓄的重新配置在多大程度上应归咎于量化宽松，目前尚不得而知。”How much money it has cost the South may never be known.
韩国在接触政策上花费多少，也许永远不得而知。They are going to have to re-route customers, no word on how much that is going to cost them.
他们将不得不为顾客更改路线，他们将要为此支付多少费用尚不得而知。局外人不得而知
unknown to an outsider
是液态的吗？我们不得而知
Was this a shoreline of fluids? We didn't know.
他们到底被关在哪座监狱不得而知
The exact penitentiary where they are been held is under disclosed.
不得而知的是，这份合同下的工程是否完成。
It is not clear whether work under this contract was ever completed.
实际会损失多少尚不得而知，可能会少得多。
How much of this will be realised is unknown. It could be substantially less.
他们的生活和思想背后都有旁人不得而知的东西。
They had things one didn't know about in the background of their lives and minds.
我们不得而知, 但从中受益得肯定要算上视频网站一个。
Our unknown, but the affirmation that is benefited from which should calculate on video website.
我们不得而知, 但从中受益的肯定要算上视频网站一个。
Our unknown, but the affirmation that is benefited from which should calculate on video website.
他不得而知，从城主府邸奔出的人流把这位英雄抛向了高空。
He cans not know and rush the person of to flow to throw this hero from the castellan official residence to Gao Kong.