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困難， こんなん
1. difficulty, hardship, trouble, distress
2. infeasibility, inability (to carry out)
困难；不可行性，无能为力（执行）
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状況， 情況， じょうきょう
1. state of affairs, situation, conditions, circumstances
现状，情况，条件，环境
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改める， 検める， 革める， あらためる
1. to change, to alter, to revise, to replace
2. to reform, to correct, to mend, to improve
3. to examine, to check, to inspect
4. to do properly, to do formally
事正式地做，合规地做；改革，纠正，修补，改进；改变，修改，修订，替换；检查，核查，视察