v. 漫游( wander的第三人称单数 ); 走神; 神志恍惚; （思想）开小差

v move about aimlessly or without any destination, often in search of food or employment

v be sexually unfaithful to one's partner in marriage

v go via an indirect route or at no set pace

v to move or cause to move in a sinuous, spiral, or circular course

v lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking