Idioms about everyday life, time and weather: meanings and examples
Short answer: These idioms are about easy things, rare things, sudden things, sleep, weather and well-known sayings about life. “A piece of cake” means very easy, “once in a blue moon” means not often, and “raining cats and dogs” means raining very hard.
What do these expressions mean?
| Expression | Meaning | Example |
|---|---|---|
| A piece of cake | Something that is very easy to do | Don't worry about the quiz. It is a piece of cake. |
| Under the weather | Feeling a little sick | She stayed home because she felt under the weather. |
| Once in a blue moon | Not often at all | My brother calls me once in a blue moon. |
| Hit the road | To leave or start a trip | It's late. Let's hit the road. |
| Keep an eye on | To watch someone or something to keep them safe | Can you keep an eye on my bag for a minute? |
| Out of the blue | Suddenly, when you did not expect it | A letter from an old friend arrived out of the blue. |
| Raining cats and dogs | Raining very hard | Take an umbrella. It's raining cats and dogs. |
| Hit the hay / Hit the sack | To go to bed | I'm tired. I'm going to hit the hay. |
| When pigs fly | Said about something you think will never happen | He will clean his room when pigs fly. |
| Better late than never | Doing something late is better than not doing it | You are ten minutes late, but better late than never. |
| A blessing in disguise | Something bad happens but brings something good later | Missing the bus was a blessing in disguise. I met an old friend. |
| Actions speak louder than words | What you do matters more than what you say | He says he will help, but actions speak louder than words. |
| The early bird catches the worm | People who start early often have a better chance | I arrived at seven and got the best seat. The early bird catches the worm. |
| No pain, no gain | You must work hard to get good results | Practice is hard, but no pain, no gain. |
| A picture is worth a thousand words | A picture can explain an idea better than words | Look at this photo of the map. A picture is worth a thousand words. |
| Every cloud has a silver lining | Something good can come from a bad time | I lost my job, but I found a better one. Every cloud has a silver lining. |
When do you use these idioms?
- To say that something is easy: “a piece of cake”.
- To say how often something happens: “once in a blue moon”.
- To talk about the weather: “raining cats and dogs”, “under the weather” (a little sick).
- To give a short wise saying: “better late than never”, “actions speak louder than words”, “every cloud has a silver lining”.
Common mistakes with these idioms
- “Under the weather” means a little sick, not that it is bad weather.
- “Raining cats and dogs” is about heavy rain. There are no animals.
- “When pigs fly” is said about something you think will never happen.
- “Out of the blue” means suddenly, when you did not expect it.
Similar expressions
“Hit the hay” and “hit the sack” both mean to go to bed, and both are informal. “A blessing in disguise” and “every cloud has a silver lining” both say that something good can come from a bad time.
More idioms
- English idioms: meanings and examples (all groups)
- Idioms for advice and encouragement: meanings and examples
- Everyday English expressions: cool, my bad, no worries and more
- Idioms about feelings: meanings and examples
Questions
What does “a piece of cake” mean?
It means something is very easy to do.
What does “once in a blue moon” mean?
It means not often at all. For example, “My brother calls me once in a blue moon.”
What does “under the weather” mean?
It means feeling a little sick.
What does “raining cats and dogs” mean?
It means raining very hard.
What does “hit the hay” mean?
It means to go to bed. It is informal.
Part of the English idioms guide in the 💬 Idioms tool.
Written for English learners by the English for Fun team. How we write our lessons · Last updated 2026-11-05.