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
all the people living in a house together, considered as a social unit

家庭, 家户
the legal act of ending a marriage

离婚, 解除婚姻关系
to legally end a marriage

离婚, 解除婚姻关系
the direct line of descent from a particular person

血统, 家系
a blood relative who lived a long time ago, usually before one's grandparents

祖先, 先辈
the person one used to be married to or have a relationship with

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

大家庭, 扩展家庭
one's parents or family members in general

家人, 父母
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
a person who is related to someone by marriage

姻亲, 入赘
one's brother or sister

兄弟姐妹, 手足
the son of one's stepfather or stepmother from a previous relationship

继兄, 异父兄弟
a child of one's husband or wife from a former marriage

继子, 继女
the daughter of one's spouse from a past relationship

继女, 后女
the man that is married to one's parent but is not one's biological father

继父, 后父
the woman that is married to one's parent but is not one's biological mother

继母, 后母
the daughter of one's stepfather or stepmother from a previous relationship

继妹, 后妈的女儿
the son of one's spouse from a past relationship

继子, 后夫子
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 take someone's child into one's family and become their legal parent

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

背叛, 出轨
to receive money, property, etc. from someone who has passed away

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

支持, 站在...一边
to look or act like an older member of the family, especially one's parents

像, 遗传
to sing softly in order to help someone fall asleep
having a near blood relationship or strong genetic connection
