lend oneself to
To give help or approval to; encourage; assist.
Alice wouldn't lend herself to the plot to hide the teacher's chalk.
let alone
leave alone
Let alone : Even less; certainly not. Used after a negative clause.
I can't add two and two, let alone do fractions.
Jim can't drive a car, let alone a truck.
I’m too sick today to walk to the kitchen, let alone to go to the zoo with you.
He doesn’t even speak his own language well, let alone French.
To stay away from; keep hands off; avoid; not to disturb.
When Joel gets mad, just let him alone.
Little Patsy was warned to leave the birthday cake alone.
Leave the baby alone for a while and she may go to sleep.
After the cat had scratched Peter twice, he let it alone.
let bygones be bygones
To let the past be forgotten.
After a long, angry quarrel the two boys agreed to let bygones be bygones and made friends again.
We should let bygones be bygones and try to get along with each other.
let grass grow under one's feet
To be idle; be lazy; waste time. Used in negative, conditional, and interrogative sentences.
The new boy joined the football team, made the honor roll, and found a girlfriend during the first month of school. He certainly did not let any grass grow under his feet.
Grandpa spends so much time sitting and thinking that Grandma accuses him of letting the grass grow under his feet.
let one have it
let have it
let's have it
To hit hard.
He drew back his fist and let the man have it.
Give him a kick in the pants; let him have it!
To use a weapon on; to shoot or knife.
The guard pulled his gun and let the robber have it in the leg.
To attack with words; scold; criticize.
Mary kept talking in class until the teacher became angry and let her have it.
To tell about it. Used in the imperative phrase, "let's have it".
Now, Mary, let's have it from the beginning.
We will take turns reading; John, let's have it from page one.
let one in on
To reveal a secret to; permit someone to share in.
If I let you in on something big we're planning, will you promise not to mention it to anyone?
let one's hair down
let down one's hair
Act freely and naturally; be informal; relax.
Действовать свободно и естественно, расслабиться.
Kings and queens can seldom let their hair down.
After the dance, the college girls let their hair down and compared dates.
Come on! We’re not at work now. You can let your hair down!
Да ладно! Ты же не на работе. Расслабься!
let one's left hand know what one's right hand is doing
To make a show of your kindness or help to others. Used in the negative.
The Bible tells us not to let the left hand know what the right hand is doing when we give to the poor.
To let everyone taking part in something know what each is doing; encourage cooperation in working. Often used in the negative.
Tom told Fred and Bill to meet him in town, but he forgot to tell them where. Next time he'll let his left hand know what his right hand is doing.
Our team lost today because the coach and captain did not let the left hand know what the right was doing, and the players were all mixed up.