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人生， じんせい

1. (one's) life

人生

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しばしば， 屡々， 屡屡， 屡， 数数， 数々， 数

1. often, again and again, frequently, repeatedly

tbd

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航海， こうかい

1. (sea) voyage, navigation, sailing, passage, cruise

tbd

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例える， 喩える， 譬える， たとえる

1. to compare (something) to, to liken, to speak figuratively, to use a simile, to use a metaphor

tbd

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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

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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

tbd

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