Her behaviour is tied up with her feelings of guilt.

她的行为与她的罪恶感有关。

He's tied up with his new book. He's working hard, you know.

他正忙他那本新书－－你要知道他现在确实很努力工作。

The shortage of teachers is tied up with the issue of pay.

师资紧缺和工资问题有密切联系。

I've been tied up with my English.

我一只在抓英语学习。

Her hair was tied up with a ribbon.

她用一条丝带系着头发。