Cool MateChallenge vs One problem
When to use each in English, with meaning, register, and examples.
Challenge
Top 2,000 (common)B1noun
One problem
Top 2,000 (common)
| Challenge | One problem | |
|---|---|---|
| Pronunciation | 🇬🇧 //ˈʧælɪndʒ//🇺🇸 //ˈʧælɪndʒ// | 🇬🇧 //wʌn ˈprɒbləm//🇺🇸 //wʌn ˈprɑbləm// |
| Meaning | A difficult task or situation that tests someone's abilities. | A single issue or difficulty. |
| Example | Completing this project will be a real challenge. | We have one problem to solve before we can proceed with the project. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | B1 | - |
| Part of speech | noun | |
| Collocations | face a challenge, take on a challenge, rise to the challenge | identify one problem, face one problem, solve one problem |
| Antonyms | ease, comfort, simplicity | - |
| Common mistakes | Confused with 'opportunity' - 'challenge' is not a positive experience., Using 'challenge' as a verb incorrectly., Omitting plural form when referring to multiple challenges. | Confused with 'one of the problems' which implies multiple issues., Using 'one problem' when referring to a general situation instead of a specific issue. |
| Usage notes | Commonly used in both formal and informal contexts. It can refer to competitions, tasks, or obstacles. Avoid using it to describe something fun; it typically implies a difficulty. | Use 'one problem' to emphasize a singular issue. It’s suitable in both spoken and written contexts. |
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Frequently asked questions: Challenge vs One problem
What's the difference between Challenge and One problem?
Challenge: A difficult task or situation that tests someone's abilities. One problem: A single issue or difficulty.
Can you show an example of each?
Challenge: Completing this project will be a real challenge. One problem: We have one problem to solve before we can proceed with the project.
Can I use Challenge and One problem interchangeably?
Not always. Challenge and One problem 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.