to know something like the back of your handto lagto land onto land on your feetto lastto laugh all the way to the bankto laugh in someone's faceto launch a productto lay a wagerto lay the blame on someoneto lay the foundationto leadto learn by heartto learn the ropesto learn to live with itto leaveto leave a mark on someoneto leave blankto leave courseto leave no stone unturnedto leave on tripto leave someone hangingto leave someone high and dryto lend a handto lend voiceto letto let go of sthto let off steamto let sleeping dogs lieto let the cat out of the bagto let your hair downto level a buildingto lieto lie downto lifeto liftto light fire under somebodyto lionize a personto little effectto live and breath somethingto live in peace and brotherhoodto lmaoto loanto lobbyto lockto long forto long for sthto long the story shortto look a gift horse in the mouthto look at