1. 成年的法定年齡是18歲。
   The age of majority is eighteen.
2. 你已經(jīng)成年了，這些問題要自己解決。
   Since you are already of age now, you should solve the problems by yourself.
3. 她下個月就到成年年齡了。
   She reaches her majority next month.
4. 他成年時期是在加拿大度過的。
   He spent his adult life in Canada.
5. 有些成年人不理解兒童的想法。
   Some adults can't relate to children.
6. 我有一個住在國外的成年兒子。
   I have a grown-up son who lives abroad.
7. 他的兒子已成年了。
   His son has grown into manhood.

成的英語翻譯：

年的英語翻譯：