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宿題， しゅくだい

1. homework, assignment 2. pending issue, unresolved problem, open question

家庭作业，作业；悬而未决的问题，未解决的问题，未决问题

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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

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彼ら， 彼等， かれら

1. they, them

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

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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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とする

1. to try to ..., to be about to do ... 2. to decide to ... 3. to take as, to treat as, to regard as 4. to use for 5. to suppose that (such) is the case, to assume 6. to decide that, to think that 7. to make into, to change into 8. to feel (e.g. afte...

作为，对待；作为，认为；用作；试图……，打算……

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です

1. be, is

断定助动词，是，是也

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