[yì qì xiāng tóu]   

义    气    相    投    彼此志趣、性格相投合。

义气相投，汉语词汇。注音：yì qì xiāng tóu。释义：彼此志趣、性格相投合。

One's temper and nature are in accord with someone

义薄云天    义重恩深    义结金兰    义愤填膺    义断恩絶