立彬の日本語
床はとてもきれいでなければならない。
tbd
The floor must be very clean.
672
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とても， とっても， 迚も
1. very, awfully, exceedingly
2. (not) at all, by no means, simply (cannot)
非常
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きれい， キレイ， 綺麗， 奇麗
1. pretty, lovely, beautiful, fair
2. clean, clear, pure, tidy, neat
3. completely, entirely
漂亮，美丽；干净，整洁
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でなければならない， でなければいけない， でなければならぬ
1. having to be, must be, should be, ought to be
tbd
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