立彬の日本語
彼はそれ以来宗教活動に携わっている。
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He has engaged in religious activity since then.
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それ以来， それいらい
1. since then, from that time, ever since
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宗教， しゅうきょう
1. religion, religious affiliation, belief, faith, creed
2. religious activity
宗教；宗教活动
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活動， かつどう
1. activity (of a person, organization, animal, volcano, etc.), action, operation
2. moving picture
活动，行动
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携わる， たずさわる
1. to engage in, to participate in, to take part in, to be involved in
参与；加入；参加；涉及
彼， かれ
1. he, him
2. boyfriend
他
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
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
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