attorney-in-fact的中文意思为“私人代理人；事实代理人”，指委托人为某种特定目的的授权其代理或委托其从事非法律性质的行为的人。为了更好的理解该词，以下是该词的英文释义：An attorney-in-fact is a person who is authorized to act on behalf of another person, usually to perform business or other official transactions. The person represented usually designates someone as their attorney-in-fact by assigning power of attorney.An attorney-in-fact is not necessarily a lawyer. In fact, attorneys-in-fact don't require any special qualifications at all. They can be a family member or close friend.

如：

Each Limited Partner authorizes such attorney-in-fact to take any further action which such attorney-in-fact shall consider necessary or advisable in connection with any of the foregoing, hereby giving such attorney-in-fact full power and authority to do and perform each and every act or thing whatsoever necessary or advisable to be done in and about the foregoing as fully as such Limited Partner might or could do if personally present, and hereby ratifying and confirming all that such attorney-in-fact shall lawfully do or cause to be done by virtue hereof.

各有限合伙人特此全权授权该事实代理人，采取其认为必要或可取的任何进一步行动，以作出及执行任何必需或可取的作为或事情，如同该有限合伙人在亲自出席时可作出的作为或事情一般，并特此批准及确认该事实代理人须据此规定合法地作出或促使作出的一切作为或事情。