leg work

(infml 口) work involving much walking or travelling about to collect information, deliver messages, etc 跑腿活儿; 外勤: Being a detective involves a lot of leg work. 当侦探少不了跑腿的活儿.

leech, leek, leer, leery, lees, leeward, leeway, left, left bank, left wing, left-hand, left-handed, left-handedness, left-overs, left-wing, left-winger, leftist, leftover, lefty (also leftie), leg, leg-pull, leg-pulling, leg-rest, leg-room, leg-warmers, legacy, legal, legal aid, legal proceedings, legal tender, legalism, legalistic, legality, legalize, legalize, legalise, legally, legate, legatee, legation, legato,