Here the soldiers are fraternising — an incongruous sight, to say the least.

德国和苏联士兵在这里称兄道弟，不夸张地说，真是矛盾的景象。

Friendship groups are not random, which makes it tricky to isolate the effect of fraternising with the opposite sex on school performance.

朋友圈的非随机性使得单独考虑异性友谊对学业成绩的影响十分困难。

On this basis an understanding was easily arrived at, and for several years Catherine fraternised with her young kinsmen.

在此基础上很容易达成谅解， 多年来，凯瑟琳与她年轻的亲属关系融洽。