List of English idioms starting with L

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Generated image of a man having an idea

A lightbulb moment

A lightbulb moment is when you suddenly understand something or get a good idea. It is the instant when a problem that was confusing before suddenly makes sense. This phrase comes from cartoon shows and movies, where a lightbulb appears above a character's head when they think of a clever idea. The image became a simple way to show the moment when someone's mind "lights up" with understanding.

I had a lightbulb moment in the shower and suddenly knew how to fix the problem with my bike.

Altered image of a man shooting an old gun

A long shot

The idiom a long shot means something that is unlikely to succeed. There is a small chance it might work, but most people do not expect it to.
The phrase is from the earlier days of firearms, where targets far away were hard to hit as older guns did not have as long a range as modern ones.

Winning the competition was a long shot, but she entered anyway.

Generated image of a piled up breakfast plate

A lot on your plate

To have a lot on your plate means having many tasks, responsibilities, or problems to deal with at the same time, so many it may be overwhelming.

The idiom compares responsibilities to food piled on a plate. If a plate is already full, it is hard to add anything more without making a mess.

She has a lot on her plate this week with exams, work, and family visits.

Photo of soldiers leading the charge

Leading the charge

The phrase lead the charge is a military term, referring to a leader of a forceful advance against an enemy in battle. The person leading the charge needed courage and the ability to rally the troops.
Today this term refers to a person taking a bold and enthusiastic leadership role in a new venture.

The new manager led the charge on integrating the new technology into the workplace.

Photo of a cliff diver

Leap of faith

To take a leap of faith is to do something when you only believe in it, you have no physical proof.
It originally meant that true religious faith was beyond logic and reason, but today is used to mean taking a risk in daily life.

Our boss took a real leap of faith merging with that new startup.

Generated image of a child learning from books

Learn something new every day

Learn something new every day is a phrase people say when they discover to their surprise a new thing they did not know before.

The saying reflects a long-standing belief that learning never really stops. Variations of the phrase have appeared in English for many years as a casual way to react to new information.

When he found out that octopuses have three hearts, he laughed and said you learn something new every day.

Photo of a bird turning stones over

Leave no stone unturned

The idiom leave no stone unturned means to search everywhere and try every option. If you tell someone this, it means you want them to check thoroughly.

They left no stone unturned in the search.

Generated image of bank robbers

Left holding the bag

To be left holding the bag means being the person who is unfairly left with the blame after others leave. It often happens when something goes wrong and one person is left to deal with the consequences.

The expression comes from an old idea in stories about thieves. One thief would run away while another person was caught still holding the bag of stolen goods, making it look like they were the only one responsible.

Everyone else quit the project when it started failing, and I was left holding the bag.

Generated image of a boy making a mess in the kitchen

Left to your own devices

Left to your own devices means being allowed to do what you want without help, instructions, or supervision. A person can decide for themselves what to do and how to do it.

The word devices once meant plans, wishes, or schemes rather than machines. The expression has been used since the 1400s to describe someone acting according to their own ideas when no one else is guiding them.

The teacher stepped out for a few minutes and we were left to your own devices.

Photo of a steam train

Let off steam

The phrase blow off steam or let off steam means to release strong feelings like anger or stress, or to get rid of pent up energy. People might say this when they go to the gym, or if they have bored children inside they take them to the park to blow off some steam.
This idiom came from the time of steam engines, when there was a pressure buildup you had to let some steam out.

He went for a long run to blow off steam after work.