hai

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The Vietnamese word "hai" has a few different meanings and uses, so let's break it down:

Basic Definition:

• Noun: "hai" means two. It is the number that comes after one and before three.
• Adjective: "hai" can also mean double. For example, if you say "tôi bằng hai tuổi anh," it translates to "I am double your age."

Usage Instructions:

1. As a Number: You use "hai" when you are counting or referring to quantities. For example:

   • "Tôi có hai con mèo." (I have two cats.)

2. As an Adjective: You use "hai" to describe something that is double in quantity or age. For example:

   • "Cái bàn này nặng hai lần cái bàn kia." (This table is twice as heavy as that table.)

Example Sentences:

• Noun Usage:

  • "Có hai người ở trong phòng." (There are two people in the room.)

• Adjective Usage:

  • "Tôi đã làm bài tập hai lần." (I have done the homework twice.)

Advanced Usage:

In more complex sentences, "hai" can be used in expressions or idiomatic phrases:

Word Variants:

• "Hai" is often used in combination with other words to create phrases:
  • "hai bữa" (two meals)
  • "hai tháng" (two months)

Different Meanings:

While "hai" primarily means two or double, it’s important to note that in different contexts, it can imply: - A pair (as in two of something) - Doubling something (as in quantity or age)

Synonyms:

• "cặp" (pair) can sometimes be used in similar contexts when referring to two items or a couple.
• "đôi" (also means double or pair) can also imply two, especially when referring to items that come in pairs, like shoes.

Conclusion:

In summary, "hai" is a versatile word in Vietnamese that primarily means the number two and can also refer to something that is double.

Academic

noun

1. two
   • số hai
     number two

adj

1. double
   • tôi bằng hai tuổi anh
     I am double your age