The keynote speaker stayed after the conference to sign autographs for attendees in the lobby.

主講人在會議結束後留在大廳，為與會者簽名。

Our bookstore will host the author on Friday, and customers can request an autograph.

本書店週五將邀請作者蒞臨，顧客可請作者親筆簽名。

The flight attendant politely asked the famous actor for an autograph during the long flight.

空服員在長途航班上禮貌地向那位知名演員索取簽名。