let sleeping dogs lie
Do not make (someone) angry and cause trouble or danger; do not make trouble if you do not have to. A proverb.
Don't tell Father that you broke the window. Let sleeping dogs lie.
licence to print money
"Золотая жила"; официально разрешенная деятельность, которая дает людям возможность получать много денег, не прилагая должных усилий.
The contract to supply computers to schools was a licence to print money.
Контракт по снабжению школ компьютерами был золотой жилой.
lick into shape
To make perfect; drill; train.
The sergeant licked the new volunteer army into shape in three months.
lie in state
Of a dead person: To lie in a place of honor, usually in an open coffin, and be seen by the public before burial.
When the president died, thousands of people saw his body lying in state.
lie in wait
To watch from hiding in order to attack or surprise someone; to ambush.
The driver of the stage-coach knew that the thieves were lying in wait somewhere along the road.
lift a finger
lift a hand
raise a hand
To do something; do your share; to help. Usually used in the negative.
We all worked hard except Joe. He wouldn't lift a finger.
The king did not lift a hand when his people were hungry.
light housekeeping
An arrangement in which an unmarried couple live together.
Are Joe and Sue married? - Oh, no, - it's just a case of light housekeeping.
light-fingered
lightfingered
Given to stealing; having a tendency to be dishonest or a kleptomaniac.
I always suspected that Freddie might be lightfingered and my suspicions were confirmed when he was arrested for shoplifting.