a sexual relationship between two people in which at least one of them is already committed to someone else

婚外情, 私情

a relationship formed between people or groups based on mutual experiences, ideas, feelings, etc.

纽带, 联系

a large family group consisting of parents and children that might also include grandparents, aunts, or uncles

大家庭, 扩展家庭

a person who takes someone else's child and raises them without legally becoming their parent

寄养父母, 养父母

either of two children or animals born from the same mother at the same time who are very similar in appearance

同卵双胞胎, 双生子

the state in which a couple decide to live apart while they are still legally married

法律分居, 分居状态

the act or fact of taking someone's child and growing them up, which has been approved by law

收养, 领养

showing a level of love or care that one would only expect a brother to have

手足之情的, 兄弟般的

(of a group of people) having a strong friendly relationship with shared interests

紧密团结的, 关系密切的

to have a secret romantic or sexual relationship with someone other than one's own partner

背叛, 出轨

to remain loyal to or supportive of someone, particularly during a hard time

支持, 站在...一边

