my 2 cents. Also saying this to myself:

来源: 于 2020-06-16 11:40:23 [旧帖] [给我悄悄话] 本文已被阅读：次

The best way is to find nice words/situation to get what you want. However, if you do not know how to do it, then ask frankly and professionally; better than being too shy to ask.