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日本， にほん， にっぽん

1. Japan

日本

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今まで， 今迄， いままで

1. until now, till now, up to now, up to the present, so far

到现在为止

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何回， なんかい

1. how many times

tbd

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オリンピック

1. Olympics, Olympic Games

奥运会，奥林匹克运动会

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で

1. at, in 2. at, when 3. by, with 4. within, in 5. and then, so 6. and, then 7. let me tell you, don't you know

表示范围

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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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が

1. indicates the subject of a sentence 2. indicates possession 3. but, however, (and) yet, though, although, while 4. and 5. used after an introductory remark or explanation 6. regardless of ..., whether ... (or not), no matter ... 7. indicates a des...

tbd

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