pencil in

US /ˈpen.səl ɪn/
UK /ˈpen.səl ɪn/
"pencil in" picture
1.

暂定, 初步安排

to make a provisional arrangement for something

:
Let's pencil in a meeting for next Tuesday.
我们暂定下周二开会。
I'll pencil you in for a quick chat tomorrow morning.
我明天早上会暂定和你快速聊一下。