短语讲解：

1. Yes, she's not coughing up a hairball.

cough up咳出
例句：He coughed up the candy that was stuck in his throat.
他把卡在喉咙里的糖果咳出来了。

2. She's actually barking at people walking by her home and keeping lookout from the window.

bark at朝着（对着）某人叫
例句：Dogs always bark at strangers.
狗总是对着陌生人吠。
keep from阻止; 免于
I don't want to keep you from your work.
我不想耽误你的工作。

3. Can I get her and take a picture

take a picture摄影,照相
例句：Take a picture with the building behind.
以这座建筑物为背景照张相。