What Does โSwear by sbโ Mean?
โSwear by sbโ means to have complete trust or confidence in someone, often believing they will not fail or disappoint.
Introduction
The phrasal verb โSwear by sbโ is commonly used in English to express strong trust or belief in a person. When you swear by someone, you rely on their advice, skills, or character because you believe they are reliable and honest. Understanding the โSwear by sbโ meaning helps you use it naturally in conversations, especially when talking about recommendations or personal trust. This phrase is useful in both casual and formal settings and can make your English sound more fluent and natural.
Quick Info Box
- Phrasal verb: Swear by somebody
- Type: Transitive
- Level: B2
- Short meaning: To trust or believe strongly in someone
Structure (Grammar Rules)
โSwear by sbโ is an inseparable phrasal verb, which means you cannot put any words between โswearโ and โby.โ It always follows the pattern:
- Swear by + somebody
Example: I swear by my best friend.
How to Use Swear by sb?
Use โSwear by sbโ when you want to express strong trust or confidence in a personโs ability or advice. It often appears in spoken English when recommending someone or showing loyalty. You can use it in positive statements or questions.
Examples
People often swear by their mentors when making important decisions.
- I swear by my sister; she always gives the best advice.
- He swears by his coachโs training methods.
- Do you swear by your lawyerโs judgment?
- Many employees swear by their managerโs leadership skills.
- She swears by her doctorโs recommendations for staying healthy.
These examples show how to use โSwear by sb in a sentenceโ to express trust or confidence.
Common Mistakes
Sometimes learners confuse โswear by sbโ with similar phrases or use it incorrectly.
- Incorrect: I swear by him advice.
Correct: I swear by his advice. - Incorrect: She swears at her friend.
Correct: She swears by her friend.
Remember, โswear by sbโ always means trust, not to swear (curse) at someone.
Differences / Synonyms
Similar phrases include โrely on sbโ and โtrust sb,โ but โswear by sbโ is stronger and more informal.
- Swear by sb: Strong personal trust or belief.
- Rely on sb: Depend on someone for help or support.
- Trust sb: Believe someone is honest or reliable.
While โswear by sbโ often implies loyalty, โtrustโ and โrely onโ are more neutral.
Common Collocations
People commonly use โswear by sbโ with roles and relationships that imply trust.
- Swear by friend โ trust a close companion
- Swear by doctor โ believe in a medical expert
- Swear by teacher โ trust an educatorโs guidance
- Swear by mentor โ have confidence in a trusted advisor
- Swear by coach โ believe in a sports or life coach
Related Phrasal Verbs
Here are related phrasal verbs of swear by sb:
Real-life Dialogue
Here is a short conversation where two friends talk about trust:
Anna: Have you met the new manager? I swear by her leadership skills.
Ben: Really? I havenโt met her yet, but I trust your opinion.
Anna: You should. Everyone swears by her ability to solve problems quickly.
Practice
Try this exercise to test your understanding of โSwear by sb.โ
Choose the correct sentence:
- a) I swear by my brotherโs advice.
- b) I swear by my brother advice.
- c) I swear my brother by advice.
Answer: a) I swear by my brotherโs advice.
FAQ
- Q: Can I use โswear by sbโ in formal writing?
A: It is more common in spoken and informal English but can be used in less formal writing.
- Q: Is โswear by sbโ the same as โtrust sbโ?
A: They are similar, but โswear by sbโ shows stronger personal trust.
- Q: Can I say โswear by somethingโ?
A: Yes, it also works with things, like โswear by this medicine.โ
- Q: What is the opposite of โswear by sbโ?
A: To distrust or doubt someone.
- Q: Is โswear by sbโ separable?
A: No, it is inseparable. You cannot separate โswearโ and โby.โ

