There's a very thin dividing line between joviality and hysteria.

快活和歇斯底里间的界线十分模糊。

There is no clear dividing line between what is good and what is bad.

是非之间没有明确的界限。

The river was chosen as a dividing line between the two districts.

两个地区以这条河流为界。

There is a thin dividing line between educating the public and creating a predisposition to panic.

教育公众和营造恐慌倾向之间只有细小的区别。

The dividing line ran through the center of town.

分界线从小镇中央穿过。