亲密

close, intimate

adjective Rare #27,232
close, intimate Describes a close personal relationship or bond; in intimate contexts, it can suggest physical intimacy.
CH: 她和姐姐的关系很亲密。
EN: She is very close to her older sister.

你们是如此的亲密

You two are so close.

— 回归 (2006)

“接着两人有激烈的亲密行为”

Then the two of them got passionately intimate.

— 窃听风暴 (2006)

阿尔及利亚是俄罗斯和中国的亲密盟友。

Algeria is a close ally of Russia and China.