年取ったからといって、まだまだ丸くはなりたくないね！の英語

I don't want to use aging as an excuse to go soft in the middle.

You cannot stay the same age forever.

It can't be helped, considering his age.

No one is so old but he can learn.

One is never too old to learn.

Nobody is too old to learn.

You're never too old to learn.

I don't want to go bald when I'm still young.

I don't want to go bald while I'm still young.

The older we grow, the less innocent we become.

They had gone a whole year without any nookie.

I don't want to get any older.

You should know better at your age―at your time of life.

As he gets older, he's getting more and more stubborn.

There's no fool like an old fool.

It is no use crying over spilt milk.

I was just idling when the year came to an end.

not being old

That is to say, he was old and gray and tired.

You have to allow for the boy's age.

It is beneath your years to do such a thing

You should know better at your age.

The older we grow, the less innocent we become.

They don't want to advance in years.

She is of a non-committal age.

You are too old not to see the reason.

Nobody is attentive to what old people need.

You'll never see twenty again.

Though he is old, he has lost none of his energy―（他動詞構文にすれば）―Age has deprived him of none of his energy.

to be precocious and unchildlike