立彬の日本語
私はかつて大病にかかったことがあった。
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Once I had a very bad disease.
938
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かつて， かって， 嘗て， 曾て， 曽て， 都て
1. once, before, formerly, ever, former, ex-
2. never yet, never before, first time, still not happened
曾经，以前，前-；从未如此，从未有过，首次；还没有发生过
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大病， たいびょう
1. serious illness, dangerous disease
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かかる， 罹る
1. to contract (a disease), to suffer from
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ことがある， 事がある
1. (for something) to have occurred, to have done (something)
2. (for something) to happen on occasion
(某事)发生，已完成(某事)；(某事)偶尔发生
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
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