?最灰溜溜
... dingier = 更加灰溜溜 dingiest = 最灰溜溜 dingily = 灰溜溜 ...
Now, imagine the dingiest Motel 6 room, Farai, you've ever stayed in.
NPR: Another Look at the Immigration Debate
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。