to patrol

police patrol; patrol officer; (old) police officer

(theater etc) to tour; to be on tour; to give itinerant performances (abbr. for 巡迴演出|巡回演出[xun2 hui2 yan3 chu1])

to go around; to roam; to tour

(army, police) patrol

to go on an inspection tour

coast guard

(eyes) to scan; to glance left and right; to scrutinize; also written 巡睃[xun2 suo1]

to draw back; to move back and forth; to hesitate; in an instant