fraternise

1. The brass are reluctant to fraternise with the enlisted men.
   高级军官不愿意与大兵们称兄道弟。
2. The recession has created an atmosphere where disparate groups fraternise in an atmosphere of mutual support.
   大萧条使得不同集团在友爱互助的气氛中如兄弟般亲密往来。

verb

1. be on friendly terms with someone, as if with a brother, especially with an enemy

   Synonym:    fraternize