You may be running into a number of issues:
Uncertain etiology means the cause is unknown.
i guess it mean: Try to win in situation where nothing is on ur side Thanks, Varghese
Doubt means to be uncertain about something.
Generally it is an acknowledgement that the speaker has taken something as a compliment without the speaker being forced to agree that the compliment is correct.
Uncertain Enemy
"Mucho gratis" = "Much free"...Like something a Spanish Billy Mays would say. I'm going to guess that you meant "Muchas gracias". That means "Thanks much" or "Many thanks".
Depends on what you mean by compliment. If its the compliment to a 90 degree angle it would be 42 degrees.
"Thanks though" is a phrase used to express gratitude for something, while also indicating that there may still be remaining reservations or doubts. It suggests that the person appreciates the gesture or help, but there might be other factors at play.
This in fact end philosophiae is give thanks drives himor to take a guess,Something like: this end philosophy drives him, in fact, is to give thanks
That is "to give thanks".
It means Uncertain & may be bitter
You are sneaky and deceptive. Its an insult not a compliment.