A: I heard that Tom's company went bankrupt last week.
我听说Tom的公司上周倒闭了。

B: Really? But he is always so lazy and how can he keep his enthusiasm on the business all the time?
真的吗？不过话说回来，他那么慵懒，怎么可能对他的事业保持激情呢？

A: Well. I think you �hit the nail on the head.
恩，我想你说的一点也没错。

hit the nail on the head
切中要害；一针见血
He hit the nail on the head when he mentioned that the company was actually facing the danger of bankruptcy.
他说那家公司实际上正面临破产的危机，真是一针见血。
Every word he said hit the nail on the head.
他说的真是头头是道。
go bankrupt
倒闭；破产
The company went bankrupt because of its poor management.
那家公司因为管理经营不善而破产。
keep one's enthusiasm on something
某人对某事保持激情
I have been keeping my enthusiasm on ballet teaching.
我在芭蕾舞教学上一直保持激情。