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まさかの時， まさかのとき
1. in time of need, for a rainy day, in case of emergency
tbd
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備える， 具える， そなえる
1. to furnish with, to equip with, to provide, to install
2. to prepare for, to make preparations for, to make provision for
3. to possess (all that is needed), to be endowed with, to be equipped with
4. to be born with, to have since birth
配备，装备，提供，安装；与生俱来的，自出生以来就有的；为……做准备；为……进行筹备；为……做好准备；拥有（所需的一切），具备，配备
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