The initial idioms of the letter L

l'esprit de l'escalier	less
less and less	Less is more
less said , the better	less than
less than pleased	lessen up
lesser	lesser of two evils
lesson	let
Let’s bump this place!	Let’s do lunch
Let’s do lunch sometime	Let’s do the lunch thing
Let’s dump	Let’s have it!
let (someone) loose (on something)	let (something) drop
let (something) rest	let (something) slip
let a fart	let at
let be	let daylight through
let down	let down easy
let down (one's) guard	let down (one's) hair