Definition
To reach a specific age or time.
到達某個年齡或時候
He's turning fifty this year.
他今年要五十歲了。
The meeting will start when it turns three o'clock in the afternoon.
會議將在下午三點開始。
She will receive a special gift when she turns twenty-one.
她將在二十一歲時收到一份特別的禮物。