立彬の日本語

事故の原因は我々には不明である。

tbd

The cause of the accident is not known to us.
719
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事故, じこ, ことゆえ
1. accident, incident, trouble 2. circumstances, reasons
意外,事故
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原因, げんいん, げいいん
1. cause, origin, source
原因
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我々, 吾々, 我我, 吾吾, われわれ
1. we
我们
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には
1. to, for, on, in, at 2. in order to, for 3. as for, regarding 4. while it is (was) the case that ..., indeed ... (but), certainly ... (but)
tbd
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不明, ふめい
1. unclear, obscure, indistinct, uncertain, ambiguous 2. unknown, unidentified 3. ignorance, lack of wisdom, lack of insight
不明,不清楚;不知道
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である
1. be, is
是、=です、=だ
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1. indicates possessive 2. nominalizes verbs and adjectives 3. substitutes for "ga" in subordinate phrases 4. (at sentence-end, falling tone) indicates a confident conclusion 5. (at sentence-end) indicates emotional emphasis 6. (at sentence-end, risi...
句尾起强调作用;助词,表示所有关系
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1. indicates sentence topic 2. indicates contrast with another option (stated or unstated) 3. adds emphasis
指示句子的主题
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