to bill and coo
01
다정하게 속삭이다, 사랑스럽게 속삭이다
(of two people) to kiss and talk with one another in a very quiet and sentimental way
approving
idiom
informal
old use
예시들
The young couple billed and cooed on the park bench.
젊은 커플은 공원 벤치에서 다정하게 속삭였다.



























