Old English wann "dark, dusky, lacking luster," later "leaden, pale, gray," of uncertain origin, and not found in other Germanic languages. The connecting notion is colorlessness. Perhaps related to wane. Related: Wanly; wanness.
实用例句
1. Despite his weariness, Brand mustered a wan smile.
虽然精疲力竭，布兰德还是无力地笑了笑。来自柯林斯例句
2. He looked wan and tired.
他脸色苍白，面带倦容。来自柯林斯例句
3. his grey, wan face
他那苍白憔悴的面孔来自《权威词典》
4. She looked wan and fragile.
她看上去既疲乏又虚弱.来自《简明英汉词典》
5. PPP protocol is a widely supported WAN datagram encapsulating protocol.
