Definition
When two individuals sleep together, they engage in sexual intercourse.
發生性關係
After being together for a few months, they decided to sleep together.
在一起幾個月後，他們決定發生關係。
The plot of the movie centers around a couple's choice to sleep together before marriage.
電影的情節圍繞一對情侶在婚前發生關係的決定。
She told him that sleeping together was an important decision she needed to consider.
她告訴他，發生關係是她需要慎重考慮的重要決定。