Q: "Die single, and thine image dies with thee." とはどういう意味ですか?
A: It means 'Die without a lover, and your image dies with you'
Q: To thine own self be true. とはどういう意味ですか?
A: It's an old English way of saying "Be true to yourself."
Q: To thine own self be true とはどういう意味ですか?
A: It's a Shakespeare quote, from Hamlet, so it's old-fashioned speech.

It means, in modern English, "Be true to yourself." Live your life according to how you feel, not worrying about what anybody else thinks you should do. Just, be yourself. :)


Q: thine を使った例文を教えて下さい。
A: Thine means “your” or “yours” but you only use it when you’re possessive of something that begins with a vowel. It’s also possible to use it at the end of the sentence regardless of what the possessive is.

This above all; to thine own self be true.


Q: thine と your はどう違いますか?
A: "Thine" was used in the 17th century. It isn't used any more except sometimes in poetry. Mostly you read "thine" in the works of Shakespeare. It means the same thing as "yours".

thy = your
thine = yours


Q: To thine own self be true この表現は自然ですか?
A: Uh it's natural but it sounds Biblical. Nobody talks like that anymore. Just say "Be true to yourself".