沒有勁頭兒
méi​yǒu​jìn​tóu​r

to feel weak

  1. 没有 沒有 méi​yǒu verb
    to not have
    to not possess something or for something to not exist; there is not; to be without
  2. 劲头 勁頭 jìn​tou
    energy
    strength; energy; vigor; drive; enthusiasm
  3. 儿 兒 r particleaffix
    [erhua suffix]
    A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.