life is like a bow,sometimes tight and sometimes loose,or it will break.
问题描述：
life is like a bow,sometimes tight and sometimes loose,or it will break.
答
人生好比张弓,张弛有道,过犹不及.
life is like a bow,sometimes tight and sometimes loose,or it will break.
人生好比张弓,张弛有道,过犹不及.