try this

來源: 2017-09-11 06:22:58 [舊帖] [給我悄悄話] 本文已被閱讀:

下次剛擦邊,直接就很誠懇地說:

I am very sorry but I don't feel comfortable in chatting in religions and politics as I am not knowledgeable enough in thes subjects. Can we switch the topic to anything else? Thank you.