ㄔㄢˊchánˋ

  1. 翅膀比喻晉書··周顗》:蟬翼千鈞。」·蔡邕高陽鄉侯〉:葭莩蟬翼。」

cicada's wing, fig. diaphanous, delicate texture
aile de cigale, (fig.)​ diaphane, texture délicate