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問題， もんだい

1. question (e.g. on a test), problem 2. problem (e.g. societal, political), question, issue, subject (e.g. of research), case, matter 3. question (i.e. doubt) 4. public discussion, controversy 5. trouble, problem, inconvenience, difficulty

问题（例如在考试中），难题；麻烦、问题、不便、困难；问题（如社会性、政治性问题）、疑问、议题、课题（如研究课题）、案例、事项；疑问；公开讨论，争议

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意外， いがい

1. unexpected, surprising

出乎意料的，令人惊讶的

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やさしい， 易しい

1. easy, plain, simple

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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