adj.来来往往的；动摇的；走来走去的
n.来来往往；往复；动摇
He tried to stiffen his wavering soldiers. 他企图使动摇的士兵坚强起来。
That is the promise and that is the unshakable destiny. 现在，由港人治港，那是诺言，是不可动摇的命运。
He was walking up and down the station platform. 他在火车站的月台上走来走去。
Goats enjoys exercise and need to move around. 山羊喜欢锻炼，需要不停的走来走去。
用作名词 (n.)She was always coming backwards and forwards. 她经常来来往往。
This caused them to waver in their faith. 这件事使他们的信仰动摇了。
The general's loyalty to the king never wavered. 将军对国王的忠心从未动摇过。
