成人

她的丈夫死後，她就獨力把兩個孩子養大成人。

After her husband's death, she brought up the two children all by herself.

我需要一些成人的东西。

我需要一些成人的東西。

I need something for an adult.

你儿子现在成人了。

你兒子現在成人了。

Your son has come of age.

她使他長大成人。

She made a man of him.

如果一個人在成人前沒有機會習得目標語言，他對該語言的認識達到母語者程度的機會是相當小的。

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.