ещё бы

Adverb

 * 1)  all that is left is... (indicating that it would be worse if...)
 * 2) if only (indicating impossibility and possibly a wish or irony)
 * 1) if only (indicating impossibility and possibly a wish or irony)
 * 1) if only (indicating impossibility and possibly a wish or irony)
 * 1) if only (indicating impossibility and possibly a wish or irony)

Interjection

 * 1) of course, sure, to be sure
 * 2)  I'll say, absolutely not
 * 1)  I'll say, absolutely not