三十的用法和樣例：
例句
-
他還不到三十，對嗎？
He is not thirty yet, isn't he? -
叫我說，他大概三十歲左右。
I'd say he is about thirty. -
儘管她已經三十歲了，看上去還象個小孩。
She seemed a babe although she was already thirty. -
這家旅館里有三十多名僕役。
There are more than thirty footmen in this hotel. -
他們已年過三十，但還沒有孩子。
They are over thirty but still childless. -
在三十年代有很多麻瘋病人。
There were many people with leprosy around the age of thirty. -
儘管他已三十歲了，但還是孩子般的無邪。
Although thirty, he is childlike. -
明年我就滿三十歲了。
I'll be thirty next year.
