Given below are some idioms/phrases followed by four alternative meanings to each. Choose the response which is the most appropriate expression. Be over the hill.

The idiom "be over the hill" is a common English expression used to describe someone who is past their prime or considered too old to perform certain activities. The phrase relies on the metaphorical imagery of life as a journey over a hill; the ascent represents youth and growth, the peak represents the prime of life, and the descent on the other side signifies aging and decline. While it is often used jokingly or informally to refer to middle age (typically around 40 or 50 years old), it fundamentally conveys that a person is no longer at the peak of their abilities or is declining in vitality. Therefore, the most appropriate meaning among the given options is to be too old to do things, as it captures the essence of being past one's best years.