1.Big Four lawyers are going to be busy with this issue.四大会计事务所的律师们将会因为这个问题变得非常忙碌。

2.By the end of this month we will be busy with company's salary report.这个月的月底我们又将忙于做出公司职工的工资报表。

3.She is busy with her homework.她正忙于她的家庭作业。

4.They pretended to be busy with preparation for the exam.