引き返す

(1)retrace one's course; "The hikers got into a storm and had to turn back"

(2)コースを引き返す

(3)go back to a previous state; "We reverted to the old rules"

(4)前の状態に戻る

(5)to go back over again; "we retraced the route we took last summer"; "trace your path"

(6)もう一度やり直す

(1)