Iris recognition can be complicated by droopy eyelids , and facial recognition by bad lighting and aging .

虹膜识别可能因为眼睑下垂而变得复杂起来，面部识别则受采光不良以及年龄老化的影响。

How can I make my eyes look less droopy ?

我如何能让我的眼睛看起来不那么下垂?

How can j make my eyes look less droopy ?

我如何能使我的眼睛看起来不那么下垂?

She looked like camus to me , particularly the droopy sad intensity round the eyes and mouth .

她长得真像她父亲加缪，尤其是她眼周嘴角上分明的缱绻和悲伤。

His droopy eyelids indicate he 's a dope .

他下垂的说明他是一个笨蛋。