If you are very good in that field or thing.
You show it to an expert and they'll tell you.
There is no way you can tell you have to take it to a reptile expert to get it probed
Have it certified by an expert.
Ask an expert!
What does this expert tell you about the setting of this selection?
if the author is considered an expert in his or her field
A hare and rabbit expert seems to be called a lagomorphologist, but this word isn't in any official dictionary as far as I can tell.
Yes, Fortunato was considered an expert on wines. He prided himself on his knowledge and experience in the wine industry, which ultimately led to his downfall in Edgar Allan Poe's story "The Cask of Amontillado."
Yes, it does. After you finish a time trial, if at the bottom of the screen it says a fast ghost has appeared then you have unlocked an expert staff ghost.
Take it to an animal expert and let him tell you what to do
you ask an expert and don't trust random people online.
You need a furnace expert to come and inspect it and tell you the answer.