be on friendly terms with someone, as if with a brother, especially with an enemy
例句
用作不及物动词(vi.)
You will really lose if you do not take this opportunity to fraternize with students and mentors from all over the world.如果不能抓紧时机与来自全球各地的师生友善交往相互切磋，那你将会是不折不扣的大输家。
