心怀忐忑
      Explanation: Distraught look. Or concerns that can not be due to ease a guilty conscience.
      Source: Qing Pu, "How Strange mother" listening to the pines sound stand-offish, played sad night insects, the center apprehension, regret to such burning. "
      Examples: Pregnant woman, just one day give birth to be born a new life, he ~, silently wish mother and child safe. ★ Hoda "Muslim's funeral," Chapter VIII