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出かける， 出掛ける， でかける
1. to go out (e.g. on an excursion or outing), to leave, to depart, to start, to set out
2. to be about to leave, to be just going out
外出（例如参加郊游或外出活动）、离开、启程、出发、动身；即将离开，正要出门
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
