Grammar fix
serious problem
big problem
A situation or issue that is very important and difficult, and needs attention or action.
collocationB1common
Hear it in context
Notice where the phrase sounds natural.
- Lack of clean water is a serious problem in many parts of the world.daily life
- If young people spend too much time on social media, it can become a serious problem for their mental health.IELTS speaking
Fix the pattern
Pattern: serious problem (with/in/for + noun/gerund)
WrongWe have a serious problem about the budget.
RightWe have a serious problem with the budget.
A problem WITH something, not 'about'.
Patternserious problem (with/in/for + noun/gerund)
Use it right
Choose the version that sounds natural in speech.
Natives say 'a serious problem'; the formal paraphrase is bloated.
Build natural chunks
Words that usually travel with it.
a serious problem withwithcausefacepose
Don't confuse it
‘Serious problem’ is stronger than ‘small problem’ or ‘minor problem’.