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閉ざす， 鎖す， とざす
1. to shut, to close, to fasten, to lock
2. to block (a street, entrance, etc.)
3. to shut in (with snow, ice, etc.), to shut off, to cut off, to cover (e.g. in darkness)
4. to consume (with negative feelings), to fill (e.g. with sadness), to bury (e...
闭，关闭，锁闭；封锁
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