come on to

例句：

1. 1. Come on, let's go for a walk together.
   来吧，我们一起去散步吧。
2. 2. She came on to him and asked for his help.
   她向他靠近并请求他的帮助。
3. 3. The couple came on to each other after meeting at the party.
   这对夫妇在聚会上相遇后开始交往。