失色shīsè 1.失去本来的色彩或光彩{lose colour; be discoloured; lose the original colour or lustre}: 壁画年久～。{The murals have become discoloured with the passage of time.} 2.因受惊或害怕而面色苍白{lose countenance; turn pale with fright or fear}: 大惊～{turn pale with fright}|相顾～。{look at each other in dismay; stare at each other in terror}