不行

Adjective

 * 1) unacceptable; out of the question; won't do
 * 2) no good; poor; incapable; incompetent
 * 1) no good; poor; incapable; incompetent
 * 1) no good; poor; incapable; incompetent

Verb

 * 1)  to be about to die, (usually followed by 了)
 * 2)  to not implement; to not put into practice; to not practice

Adverb

 * 1) awfully; a lot; terribly

Usage notes
When used as an adverb, must be placed after.