In which country or region were you born or raised?

(idiomatic) Used to express gratitude at unnecessary generosity, especially when receiving a gift.

Asks the interlocutor whether or not he or she is able to speak in the English language.

A polite formula used when being introduced to somebody.

(idiomatic, dialect, slang) Indicates agreement, approval, encouragement.

(formal) A greeting used upon being introduced to someone. Alternatives are pleased to meet you and nice to meet you. (Sometimes used as a rhetorical question among familiar parties, depending on the region).

(UK, euphemistic) A difficult situation

Alternative form of you can't judge a book by its cover

Do not dedicate all your resources to one project. / Do not count on any one thing to safeguard what is valuable.

You can't have it both ways.