a narrow pass (especially one between mountains)
同义词：gorge
place under suspicion or cast doubt upon
同义词：sully??/??corrupt??/??taint??/??cloud
make dirty or spotty, as by exposure to air; also used metaphorically
同义词：tarnish??/??stain??/??maculate??/??sully
spot, stain, or pollute
同义词：foul??/??befoul??/??maculate
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。