立彬の日本語
彼らは家の建築にとりかかった。
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They set about building a house.
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建築， けんちく
1. construction, architecture (of buildings)
建筑
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取り掛かる， 取りかかる， とりかかる
1. to begin (doing), to start, to set about, to get down to
开始（做某事），着手，着手进行，着手处理
彼ら， 彼等， かれら
1. they, them
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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
家， いえ
1. house, residence, dwelling
2. family, household
3. lineage, family name
房子，住宅；家；家族
の
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
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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