|lip service||If you pay lip service to an idea or cause, you give verbal support or approval, but fail to actually do anything.|
In spite of promising equal pay for women, the management is suspected of paying lip service to the promotion of women’s rights.
|stiff upper lip||If a person keeps a stiff upper lip, they contain their emotion and do not let other people see their feelings.|
When she heard the bad news, she kept a stiff upper lip.
|lips are sealed||If you say that your lips are sealed, you promise not to reveal a secret.|
I promise I won’t tell anyone. My lips are sealed.
|smack/lick one’s lips||To say that a person is smacking or licking their lips means that they are showing that they are excited about something and are eager for it to happen.|
They were smacking their lips at the idea of the money they were going to make.
|all mouth and no trousers||This is said of someone who talks a lot about doing something but never actually does it.|
He keeps saying he’s going to resign and travel around the world, but he’s all mouth and no trousers.
|butter wouldn’t melt in mouth||If you say that someone looks as if butter wouldn’t melt in their mouth,you mean that they look completely innocent, but that they are capable of doing unpleasant things.|
The boy who stole the purse looked as if butter wouldn’t melt in his mouth.
|down in the mouth||When someone is down in the mouth, they look unhappy, discouraged or depressed.|
You look a bit down in the mouth. What’s the matter?
|foam at the mouth||Someone who foams at the mouth is extremely angry about something.|
The director was foaming at the mouth when he saw a picture of his children in the newspaper.
|live from hand to mouth||If you live from hand to mouth, you don’t have any money to save because whatever you earn is spent on food and other essentials.|
Most families in that area live from hand to mouth.
|make mouth water||Food can make your mouth water when it looks and smells extremely good.|
That delicious smell from the kitchen is making my mouth water.
|put money where mouth is||If you put your money where your mouth is, not only do you express your interest, you give financial support to causes that you believe in.|
If people are really interested in helping the underprivileged, they should put their money where their mouth is.
|take words out of mouth||If you say exactly what someone else was going to say, you take the words out of their mouth.|
I entirely agree with you. You took the words out of my mouth.
|say a mouthful||If you make an important or lengthy remark, you say a mouthful.|
The customer said a mouthful when he gave the reason for his dissatisfaction.