dirty

a.脏的；(手段等)卑鄙的；下流的 v.弄脏

direction-finder, directional, directive, directly, directness, director, director-general, directorate, directorship, directory, dirge, dirigible, dirk, dirndl, dirt, dirt cheap, dirt farmer, dirt road, dirt-track, dirtily, dis-, disability, disable, disabled, disablement, disabuse, disadvantage, disadvantaged, disadvantageous, disadvantageously, disaffect, disaffected, disaffection, disafforest, disaggregate, disagree, disagree with, disagreeable, disagreeableness, disagreeably,