only是什麼意思

例句：

This colt is only two months old.

這隻小雄駒只有兩個月大。

He had only a few coppers with him.

他身邊只有幾枚銅幣。

You're only a child in his eyes.

在他眼裏你僅僅是個孩子。

This is only an exercise in composition.

這僅僅是一篇習作。

His hair became gray when he was only forty.

他剛剛四十歲時，頭髮就變得灰白了。