1. 可怕的：director theory of motivation 激励的主导理论 | direful 可怕的 | disability 失能

2. 可怕的,可怖的：dipsomania 嗜酒狂 | direful 可怕的,可怖的 | dirge 哀歌、凄凉之曲调

3. 可怕的/悲惨的：directrix /准线/ | direful /可怕的/悲惨的/ | direfully /可怕地/悲惨地/

4. 可怕的; 悲惨的 (形)：directory window 目录窗口, (计算机用语) 在窗口文件管理显示某磁盘目录树的窗口 | direful 可怕的; 悲惨的 (形) | direfully 可怕地; 悲惨地 (副)

1. causing fear or dread or terror

    e.g. the awful war
           an awful risk
           dire news
           a career or vengeance so direful that London was shocked
           the dread presence of the headmaster
           polio is no longer the dreaded disease it once was
           a dreadful storm
           a fearful howling
           horrendous explosions shook the city
           a terrible curse

    Synonym: awfuldiredread(a)dreadeddreadfulfearfulfearsomefrighteninghorrendoushorrificterrible