kissing cousin
表達(dá)兩個(gè)人關(guān)系密切，但并非血親的說法
口語·形容親密但非正式關(guān)系
英文釋義
someone who is closely related or closely connected, often in a way that is slightly suspicious or not entirely appropriate
例句
They're not siblings, but they're kissing cousins who spend all their time together.
典故來源
源自19世紀(jì)美國(guó)，指遠(yuǎn)親間可親吻的關(guān)系，后引申為關(guān)系密切但非血親。