Pass by

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1. Definition + Rich Everyday Explanation

Pass by (phrasal verb) = to move past someone or something; to go near without stopping; or for time, opportunities, or moments to move on.

In its most literal sense, pass by describes physical movement. When a person, vehicle, or object passes by, it goes past a point without staying there. You see it briefly, and then it’s gone.

In everyday conversation, pass by is very often used in a metaphorical sense to talk about time, chances, or life events. When an opportunity passes by, it means you did not take it, and now it may be gone forever. When time passes by, it emphasizes how quickly or quietly it moves.

Because of this emotional layer, pass by is common in reflective, nostalgic, or slightly regretful contexts.

Examples from the street:

• “I saw him pass by the window” → move past
• “Opportunities don’t just pass by twice” → chances disappear
• “The years passed by so fast” → time moved quickly

2. Most Common Patterns

• pass by + place → move past a location
• pass by without stopping → go past briefly
• time / years / days pass by → time moves on
• let something pass by → fail to act on a chance
• pass by unnoticed → not attract attention

3. Usage Note

Note: Pass by is different from pass away (die) and pass out (faint). It focuses on movement or the flow of time, not endings or loss of consciousness.

There are no idioms directly formed from “pass by”, but it is often used metaphorically to express missed opportunities or the speed of life.

4. Example Sentences

1. I watched the cars pass by from the balcony

   → Vehicles moved past without stopping.

2. She walked past me without even letting the moment pass by

   → The chance was brief and gone.

3. He stood quietly as the parade passed by

   → It moved past his position.

4. Great opportunities sometimes pass by when you hesitate

   → Delay causes missed chances.

5. I passed by your classroom this morning → I walked past it without entering, just continued down the hallway.
6. She smiled at me as she passed by me in the corridor → She was walking past and gave a quick, friendly smile.
7. The years passed by faster than we expected

   → Time moved quickly.

8. As I passed by, I heard students laughing inside the room → The moment I walked past, a sound caught my attention.
9. He waved at his friend while passing by the gate → He didn’t stop; he just waved as he moved past the entrance.
10. She let the comment pass by without responding

    → She ignored it.

11. Moments like this shouldn’t just pass by

    → They should be appreciated.

12. The stranger passed by without noticing us

    → No attention was given.

13. He didn’t want to let the opportunity pass by

    → He wanted to act.

14. As we talked, the afternoon slowly passed by

    → Time moved calmly.

5. Personal Examples

1. In class, I try not to let teachable moments pass by without discussion

   → I use opportunities immediately.

2. When practicing English, I don’t let new words pass by unnoticed

   → I stop and learn them.

6. Register: Neutral

• Common in both spoken and written English
• Often carries emotional or reflective tone when used metaphorically
• Very natural in storytelling and life reflections

7. Similar Expressions

• go past → more literal, physical movement
• slip away → emphasizes loss or regret
• miss out on → focuses on lost opportunity
• move on → focuses on progression rather than passing