What Does “Swear by sb” Mean?
“Swear by sb” means to have complete trust or confidence in someone, often believing they will not fail or disappoint.
Introduction
The phrasal verb “Swear by sb” 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 “Swear by sb” 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)
“Swear by sb” is an inseparable phrasal verb, which means you cannot put any words between “swear” and “by.” It always follows the pattern:
- Swear by + somebody
Example: I swear by my best friend.
How to Use Swear by sb?
Use “Swear by sb” when you want to express strong trust or confidence in a person’s 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 coach’s training methods.
- Do you swear by your lawyer’s judgment?
- Many employees swear by their manager’s leadership skills.
- She swears by her doctor’s recommendations for staying healthy.
These examples show how to use “Swear by sb in a sentence” to express trust or confidence.
Common Mistakes
Sometimes learners confuse “swear by sb” 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, “swear by sb” always means trust, not to swear (curse) at someone.
Differences / Synonyms
Similar phrases include “rely on sb” and “trust sb,” but “swear by sb” 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 “swear by sb” often implies loyalty, “trust” and “rely on” are more neutral.
Common Collocations
People commonly use “swear by sb” with roles and relationships that imply trust.
- Swear by friend – trust a close companion
- Swear by doctor – believe in a medical expert
- Swear by teacher – trust an educator’s guidance
- Swear by mentor – have confidence in a trusted advisor
- Swear by coach – 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 haven’t 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 “Swear by sb.”
Choose the correct sentence:
- a) I swear by my brother’s advice.
- b) I swear by my brother advice.
- c) I swear my brother by advice.
Answer: a) I swear by my brother’s advice.
FAQ
- Q: Can I use “swear by sb” in formal writing?
A: It is more common in spoken and informal English but can be used in less formal writing.
- Q: Is “swear by sb” the same as “trust sb”?
A: They are similar, but “swear by sb” shows stronger personal trust.
- Q: Can I say “swear by something”?
A: Yes, it also works with things, like “swear by this medicine.”
- Q: What is the opposite of “swear by sb”?
A: To distrust or doubt someone.
- Q: Is “swear by sb” separable?
A: No, it is inseparable. You cannot separate “swear” and “by.”
