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襲う， おそう
1. to attack, to assail, to make an assault, to strike, to hunt down
2. to succeed (someone in a post, role, etc.)
3. to make a sudden visit
袭击，攻击；接替，继承；突然到访
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