| leave it at that | | | |
| leave it be | | | |
| leave no crumbs | | | |
| leave no stone unturned | | | |
| leave off | | | |
| leave on | | | |
| leave someone at the altar | | | |
| leave someone high and dry | | | |
| leave someone holding the baby | | | |
| leave someone in the dust | | | |
| leave someone in the lurch | | | |
| leave someone no choice | | | |
| leave someone out in the cold | | | |
| leave someone to their fate | | | |
| leave someone to their own devices | | | |
| leave something to be desired | | | |
| leave the ball in someone's court | | | |
| leave the door open | | | |
| leave the nest | | | |
| leave things alone | | | |
| leave things be | | | |
| leave to the imagination | | | |
| left-handed compliment | | | |
| left turn | | | |
| legal beagle | | | |
| legal duty | | | |
| legend in one's own lifetime | | | |
| legend in one's own lunchtime | | | |
| lemon law | | | |
| lend a hand | | | |
| lend an ear | | | |
| lend itself to | | | |
| les jeux sont faits | | | |
| lesser of two evils | | | |
| let alone | | | |
| let a sleeping dog lie | | | |
| let bygones be bygones | | | |
| let crazy stick its dick in you | | | |
| let down | | | |
| let drive | | | |
| let fly | | | |
| let go and let God | | | |
| let it all hang out | | | |
| let it alone | | | |
| let it be | | | |
| let loose | | | |
| let me tell you | | | |
| let nature take its course | | | |
| let off | | | |
| let on | | | |
| let one go | | | |
| let oneself go | | | |
| let one's hair down | | | |
| let-out | | | |
| let's be having you | | | |
| let's get the party started | | | |
| let's get this circus on the road | | | |
| let sleeping dogs lie | | | |
| let slide | | | |
| let slip | | | |
| let's not and say we did | | | |
| let someone down gently | | | |
| let someone go | | | |
| let someone have it | | | |
| let something slip | | | |
| letters after one's name | | | |
| let the buyer beware | | | |
| let the cat out of the bag | | | |
| let the chips fall where they may | | | |
| let the grass grow under one's feet | | | |
| let them eat cake | | | |
| let the perfect be the enemy of the good | | | |
| let things alone | | | |
| let things be | | | |
| let this cup pass from me | | | |
| let well alone | | | |
| level best | | | |
| level-headed | | | |
| level off | | | |
| level to the ground | | | |
| level with | | | |
| libel chill | | | |
| licence to print money | | | |
| lick and a promise | | | |
| lick into shape | | | |
| lick log | | | |
| lick my balls | | | |
| lick one's chops | | | |
| lick one's wounds | | | |
| lick out | | | |
| lick someone's ass | | | |
| lick someone's balls | | | |
| lick the pants off | | | |
| lie at someone's door | | | |
| lie back and think of England | | | |
| lie before | | | |
| lie ill in one's mouth | | | |
| lie in one's throat | | | |
| lie low | | | |
| lie through one's teeth | | | |