[Phrases] Let Sleeping Dogs Lie

Hey guys! Welcome to [Phrases] today!

Literally, the meaning of this phrase is that let people do not wake up the sleeping dog.

We usually use this phrase to express the meaning of “to leave a situation alone so as to avoid worsening it”.

There are some other interesting phrases about “let”. Follow me to learn about them!

Let sleeping dogs lie

1. let your hair down

It means to cease acting formally or conservatively.

Come on, Jim, this is a party! Let your hair down and go a little wild!

Train yourself to complete the work at hand before you let your hair down.

2. don’t let it out of this room

Don’t reveal this information to anyone else.

Greg got the promotion, but don’t let it out of this room—the boss will officially announce it later today.

Don’t let it out of this room. You won’t tell a soul, right?

3. let off steam

To release strong emotions or energy by engaging in some kind of enjoyable, vigorous, or relaxing activity.

went on a run to let off steam after our fight.

When work gets frustrating, I like to go bowling to let off some steam.

4. let the cat out of the bag

It means to reveal a secret.

How did Mom find out we were planning a surprise party for her? Who let the cat out of the bag?

We planned to give her a surpriseparty, but he let the cat out of the bag.


5. let bygones be bygones

To stop focusing on something that happened in the past.

I said I was sorry—can’t we let bygones be bygones?

You should just forget about it. Let bygones be bygones.

That’s all for [Phrases] today. Now try to make at least one sentence with the phrases that you like! That will help you to remember them.

Don’t forget to leave your comments below.

See you! 😀


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  • Dont let out of this room we will purchase a new computer tomorrow Ahh!!! Not tomorrow but soon 😊😇😇

  • I talked to Jimmy about my new girlfriend, I did want to talk about that with someone else. But he lets the cat out of the bag.

    You was so stupid last time, I was very angry, but I don’t want to talk about that anymore, let bygones be bygones.

  • I observed so many incredible behaviour of our elder , I criticised them to let off some steam for better consciousness.

  • 1. I have a birthdayparty on tomorrow, please don’t let it out of this room.
    2. I have a secret and l want to share with you, but please, don’t let the cat out of the bag.
    3. Make your today better, let bygones be bygones.

  • It was a secret.. I told her not to let it out of the room but she let the cat out of the bag quickly. I was angry :so l complained to a friend to let off steam. She calmed me down saying:let bygones be bygones.

  • thats was so interesting I just to thank you for this application its so helpful and magnificent.

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