help me with this scenario please.thank you
------ " Yes, I'm the only woman here who's drenched in sweat," she said, plucking at the fabric beneath her arms.

------- " You mean 'perspiration.' "

------- " Actually , no, this is sweat. I look like I've been dragged from a lake. Natural silk my eye! "

First, what's the difference between "sweat" and "perspiration" ?
Second, what's that last sentence mean? -Natural silk my eye!

Question

help me with this scenario please.thank you
------ " Yes, I'm the only woman here who's drenched in sweat," she said, plucking at the fabric beneath her arms.

------- " You mean 'perspiration.'  "

------- " Actually , no, this is sweat. I look like I've been dragged from a lake. Natural silk my eye! "

First, what's the difference between "sweat" and "perspiration" ? 
Second, what's that last sentence mean? -Natural silk my eye!

Answer

"Natural silk *my eye*" is a nicer way to say "Natural silk *my ass*". I think in Chinese you say "个屁" or "个鸟"?

Answer

Perspiration is a more polite word for sweat, but they are the same thing.  Most people say sweat.