/dɪˈvaɪdɪŋ laɪn/ n.1.(difference)特性；差异；不同
What is the dividing line between 'pretty' and 'beautiful'?漂亮和美丽有什么区别？
Often the dividing line is blurred.区别通常是模糊的。
a dividing line between sth and sth…和…之间的区分点(或分界线)
There's a very thin dividing line between joviality and hysteria.欢天喜地和歇斯底里之间就一线之隔。
2.(boundary)边界；分界线
the dividing line between sth and sth…和…之间的分界线
people on both sides of the dividing line between Israel and the occupied territories以色列和占领区分界线两边的人们