Let's see, four years right now, and a grand total of six years.

我想想，这次待了4年了，总共有六年了。

The grand total is 9 billion tonnes of water. China does not have that much available.

总需水量达90亿吨。供不应求。

The agent says the " grand total" comes to $77.40.

代理人说“总计”为 77.40 美元。

In 1992 he got out, for the grand total of 53 days.

1992 年他出狱了， 总计 53 天。

Just give me the grand total.

给我说总数吧。

That's a grand total of 45 thousands bits of memory, not too shabby for 1949!

总共有 45,000 位内存，对于 1949 年来说还算不错！

Thirty-eight votes for Claremont, for a grand total of 301. And the presidency.

克莱蒙特获得 38 票，总计 301 票。还有总统职位。

Former undergraduates of the university have won a grand total of 61 Nobel prizes, more than the undergraduates of any other university.

之前剑桥的本科生赢得了61个诺贝尔奖项，比任何大学的本科生获得的都要多。

There was like a grand total of maybe three and a half years between all three of them.

他们之间可能总共只有三年半。

The " grand (grand) total" is the final total after all the expenses are added together.

“总（总）总计”是所有费用加在一起后的最终总计。