Cool MateOne problem vs Trouble
When to use each in English, with meaning, register, and examples.
One problem
Top 2,000 (common)
Trouble
Top 1,000 (very common)A2noun
Most common: Trouble
| One problem | Trouble | |
|---|---|---|
| Pronunciation | 🇬🇧 //wʌn ˈprɒbləm//🇺🇸 //wʌn ˈprɑbləm// | 🇬🇧 /["/ˈtrʌbl/"]/🇺🇸 /["/ˈtrʌbl/"]/ |
| Meaning | A single issue or difficulty. | A problem or difficulty that makes things hard. |
| Example | We have one problem to solve before we can proceed with the project. | I got into trouble for not completing my homework. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | - | A2 |
| Part of speech | noun | |
| Collocations | identify one problem, face one problem, solve one problem | bad, big, deep, mean, spell, have, come, begin, start, in trouble, trouble for, trouble with, a cause of trouble, a source of trouble, a history of… trouble, bad, big, deep, mean, spell, have, come, begin, start, in trouble, trouble for, trouble with, a cause of trouble, a source of trouble, a history of… trouble, crowd, cause, make, start, be brewing, begin, blow up, spot, trouble between, bad, big, deep, mean, spell, have, come, begin, start, in trouble, trouble for, trouble with, a cause of trouble, a source of trouble, a history of… trouble, bad, big, deep, mean, spell, have, come, begin, start, in trouble, trouble for, trouble with, a cause of trouble, a source of trouble, a history of… trouble, considerable, enormous, great, bring (somebody), cause (somebody), give somebody, be more trouble than it’s worth |
| Antonyms | - | solution, ease, comfort |
| Common mistakes | Confused with 'one of the problems' which implies multiple issues., Using 'one problem' when referring to a general situation instead of a specific issue. | Confused with 'troublesome' — 'trouble' is a noun, while 'troublesome' is an adjective., Using 'trouble' with the wrong preposition, like saying 'in trouble with' instead of 'in trouble for'., Misunderstanding 'trouble' as only a verb; it's primarily a noun. |
| Usage notes | Use 'one problem' to emphasize a singular issue. It’s suitable in both spoken and written contexts. | Use 'trouble' to describe when someone has a problem, especially in neutral contexts. Avoid using it in overly formal situations where 'difficulty' might be preferred. |
See it in real clips
Frequently asked questions: One problem vs Trouble
What's the difference between One problem and Trouble?
One problem: A single issue or difficulty. Trouble: A problem or difficulty that makes things hard.
Which is more common: One problem and Trouble?
Trouble is the most common in everyday English.
Can you show an example of each?
One problem: We have one problem to solve before we can proceed with the project. Trouble: I got into trouble for not completing my homework.
Can I use One problem and Trouble interchangeably?
Not always. One problem and Trouble are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.