Definition
to be involved in a romantic or intimate relationship with someone
和某人戀愛；與某人發生性關係
She has started to go with that boy recently.
她最近開始和那個男孩交往。
They began to go with each other back in high school.
他們從高中時就開始交往了。
I didn't know she was going with him.
我不知道她和他在一起。