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(one's) whereabouts
destination; where one is headed
outcome; course (of events); development; direction; tide
future; journey ahead
行方不明の猫の行衛を必死に探した。
I searched desperately for the whereabouts of the missing cat.
容疑者の行衛はいまだにつかめていない。
The suspect's whereabouts remain unknown.
送った荷物の行衛を追跡番号で調べた。
I checked the whereabouts of the package with the tracking number.