立彬の日本語
彼女は昼食時間までには帰ってくることになっている。
tbd
She's supposed to be back by lunch time.
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彼女， かのじょ
1. she, her
2. girlfriend
她；女朋友
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時間， じかん
1. time
2. hour
3. period, class, lesson
时间的单位：小时；小时；时间，时刻
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まで， 迄
1. until (a time), till, to, up to
2. to (a place or person), as far as
3. to (an extent), up to, so far as, even
4. only, merely
到，到……为止，直到；到某地，去见某人
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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)
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帰って来る， 帰ってくる， かえってくる
1. to return, to come back
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ことになっている
1. to be scheduled to (do), to be expected to (do)
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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