“dog and bone”别理解成“狗和骨头”，其正确的含义是电话。

【例句】
My sister doesn't want me to talk with my girlfriend on the dog and bone when she's watching TV.
我姐姐看电视的时候，不喜欢我和我的女朋友在电话上聊天。

Sorry, I'm fully booked now. I can talk to you on the dog and bone tonight.
抱歉，我现在没有空，我今天晚上可以和你打电话。