Labor of love
When you love to do something from your heart.
Very ineffectieve products/ business
Land of nod
A big win, usually use with political election.
Larger than life
Unique, much better than normal
If you have the last laugh, you win at last.
Late in the day
Too late to change/ adjust
Laugh a minute
Save something for future use
Lay down the law
Tell people to do something exactly and instructively.
Terminate the employment
Leave someone's high and dry
Leave someone completely alone
Left in the dark
Really don't know what to do. Not given a any information.
Left handed compliment
Let the cat out of the bag
Accidentally expose the secret
Live from hand to mouth
Live with only little money. Just enough to survive
Long in the tooth
Too old to perform work
Lose the head
Can not control the temper anymore
Lost train of thought
Forgot what you were talking about