someone who is considered one's closest or most cherished friend
a close friend or companion, often used in a more negative or informal context

朋友, 伙伴
a strong and natural liking or sympathy toward someone or something

亲和力, 自然的同情
a group of people who have the same profession

兄弟会, 行业协会
a close relationship in which there is a good understanding and communication between people

融洽关系
pleasant, friendly, and peaceful relations between individuals or nations

友好, 和睦
an individual opponent or adversary

敌人, 对手
absence of agreement or friendliness between people with different opinions

摩擦, 紧张
a violent argument between two groups in which members of each side make attempts to murder the members of the opposing side in retaliation for things that occurred in the past

世仇, 血仇
