problem
difficulty or issue to solve
Something that is difficult and needs to be fixed or answered.
a problem with [something]
- We have a serious problem with the new software.
- The main problem is that we don’t have enough time.
- She solved the problem quickly.
- Traffic is a big problem in this city.
- The teacher helped the students with their math problems.
- I have a problem with my phone.
- The car has a big problem.
- We need to fix this problem.
- He can solve the problem.
- There is a problem with the door.
question needing an answer
A question you must answer, often in math or science.
a [math/science] problem
- The students worked on several math problems.
- This book has many practice problems at the end of each chapter.
- Can you solve this physics problem?
- The teacher explained how to approach word problems.
- He found the last problem very difficult.
- I have three math problems for homework.
- This is a hard problem.
- Can you help me with this problem?
- We solved all the problems in class.
- The last problem is easy.
person or thing causing trouble
A person or thing that often makes trouble.
[someone/something] is a problem
- That kid is a real problem in class.
- My old laptop has become a problem lately.
- If he keeps being late, he’s going to be a problem for the team.
- This machine has been nothing but a problem since we bought it.
- My dog is a problem when I leave home.
- He is a problem in class.
- This old car is a problem.
- That student is a big problem for the teacher.
- Base: problem
- Plural: problems
problem child
1child causing frequent trouble or difficulty
A child who often causes trouble for parents or teachers.
- The teacher said he was a problem child in school.
- They had to give special attention to the problem child.
run into problems
1experience difficulties unexpectedly during activity
To have difficulties happen while doing something.
- We ran into problems when installing the new software.
- They ran into problems halfway through building the bridge.
the heart of the problem
1central or main difficulty in a situation
The most important part of a difficulty or issue.
- The heart of the problem is poor communication between departments.
- We need to find the heart of the problem before we can fix it.
what's your problem?
1asking why someone behaves badly or angrily
Used to ask someone why they are angry, upset, or acting badly.
- "What's your problem? I was just trying to help."
- She snapped at me, and I thought, what's your problem?
no problem
1it's not difficult or inconvenient
Used to say that something can be done easily or that you are happy to do it.
- "Can you help me move this table?" "No problem."
- "Thanks for lending me your book." "No problem."
no problem
2Not difficult; not an issue
Used to say something is easy or okay to do.
- Can you help me with this? — No problem!
- It was no problem to fix the leak.