Do I have an obligation to tell him? - Double agent?

我是不是有义务告诉他这件事呢？

youdao

There is no need to have each agent maintain its own file descriptor table.

这里不需要让每个代理维护它自己的文件描述符表。

youdao

If they contain confidential information, such as passwords, you may want to have the server agent erase that information after it's been read.

如果它们包含机密信息，比如口令，您可能希望让服务器代理在读取文档之后删除该信息。

youdao

But to be an agent you have to be driven by money, not passion, says Goldberg.

FORBES: Build It and They Will Come

While it is a sensitive time for US-Russian relations because of the crisis in Syria, the FSB's claims to have unearthed a CIA agent are unlikely to have any long-term political consequences, the BBC's Steve Rosenberg reports from Moscow.

BBC: 'CIA agent intercepted' in Moscow by FSB

If the appraised price doesn't seem justified, ask for a second appraisal by a different appraiser (though you or your agent may have to pay for it).

WSJ: Pressured to Cut the Price--WSJ House Talk