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Grammar point
B1CommonParticlesNeutralIntermediate

Usage of mãi in Vietnamese (for a long time/continuously)

mãi expresses a long duration of time, often implying "only after a long time" or "continuously until."

Quick explanation

Quick explanation

mãi expresses a long duration of time, often implying "only after a long time" or "continuously until."

English meanings

  • for a long time
  • continuously

Grammar pattern

mãi + time / V + mãi

Examples

1

Tôi mãi mới hiểu cấu trúc này.

It took me a long time to understand this structure.

2

Anh ấy học mãi mà vẫn nhầm.

He studied for a long time but still made mistakes.

How to use it

It can combine with mới to form mãi mới, meaning "only after waiting a long time did something happen."

  • Indicates prolonged time.
  • Often paired with mới or mà vẫn.
  • Can express impatience or regret.

Compared with English

Compared with English

Equivalent to English "only after a long time" or "for a long time." Do not confuse with hoài, which indicates repetition.

Common mistakes

Tôi mới mãi hiểu.

Tôi mãi mới hiểu.

The fixed order is mãi mới.

Tôi nhầm mãi hoài.

Tôi nhầm hoài. / Tôi học mãi mà vẫn nhầm.

hoài and mãi have different functions.

Commonly confused grammar

Practice

Multiple choice

Which sentence correctly uses mãi?

Show answer
  • Tôi mãi mới hiểu cấu trúc này.
  • Tôi mới mãi hiểu.
  • Tôi nhầm mãi hoài.

Answer: Tôi mãi mới hiểu cấu trúc này.

Explanation: Indicates prolonged time.

Fill in the blank

Fill in the blank: Tôi ____ mới hiểu cấu trúc này.

Show answer

Answer: Tôi mãi mới hiểu cấu trúc này.

Explanation: Indicates prolonged time.

English to Vietnamese

Translate "It took me a long time to understand this structure." into Vietnamese.

Show answer

Answer: Tôi mãi mới hiểu cấu trúc này.

Explanation: Use mãi in the same structure as the example.

True or false

True or False: Tôi mới mãi hiểu.

Show answer

Answer: False

Explanation: The fixed order is mãi mới.

Correction

Correct this sentence: Tôi mới mãi hiểu.

Show answer

Answer: Tôi mãi mới hiểu.

Explanation: The fixed order is mãi mới.

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