get to second base
US /ɡɛt tu ˈsɛkənd beɪs/
UK /ɡɛt tu ˈsɛkənd beɪs/

1.
进展到第二垒, 亲吻和爱抚
to engage in sexual activity that involves touching above the waist, but not intercourse
:
•
They were on a date, and he was hoping to get to second base.
他们正在约会,他希望能进展到第二垒。
•
After a few dates, they finally got to second base.
几次约会后,他们终于进展到第二垒。