lovey-dovey /ˌlʌvɪ ˈdʌvɪ/

• 1. 

  ADJ You can use lovey-dovey to describe, in a humorous or slightly disapproving way, lovers who show their affection for each other very openly. 卿卿我我的 [非正式]

  例：

  All my friends were either lovey-dovey couples or wild, single girls.

  我所有的朋友不是卿卿我我的情侣，就是狂野的单身女郎。