You should know better now you are eighteen.
Entrance is restricted to those above 18.
He will be 16 years old in the coming year.
Anyone over eighteen years of age counts as an adult.
You should know better now you are eighteen.
Common sense is the collection of prejudices acquired by age eighteen.
However, it is limited to account holders over the age of 20.
People over the age of 18 are able to drive.
People over the age of 18 can drive cars.
She started doing karate at the age of 12.
Children under twelve are half price [fare (乗り物)].
In general elections, American citizens who are 18 and over can vote if they register.