大人になる

Meaning

1. expv5r
   to grow up; to become an adult

Example sentences

• 君たちは大人になるまでタバコを吸ってはいけない。

  You must not smoke till you grow up.

• 大人になるまでの間に身につけなかった言語について、ネイティブスピーカーのレベルに達することは難しい。

  If a person has not had a chance to acquire his target language by the time he's an adult, he's unlikely to be able to reach native speaker level in that language.

• 大人になるな、これはわなだ。

  Don't grow up. It's a trap!