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を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点
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組み立てる， 組立てる， 組み立る， くみたてる
1. to assemble, to put together, to set up, to construct, to build, to compose (a story, poem, etc.)
2. to form (words, sentences, etc.)
tbd
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難しい， 六借しい， 六ヶ敷い， むずかしい， むつかしい
1. difficult, hard, troublesome, complicated, serious (disease, problem, etc.)
2. impossible, unfeasible
3. fussy, particular, fastidious, hard to please, displeased
4. gloomy, glum, sullen, serious (look)
5. dirty, unclean, filthy, detestable
6. unp...
难的，困难的，严重的(疾病、问题等)；不可能的；不可行的
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
