rough·enBrE/ˈrʌfn/NAmE/ˈrʌfn/verbpresent simple - I / you / we / theyroughenBrE/ˈrʌfn/NAmE/ˈrʌfn/present simple - he / she / itroughensBrE/ˈrʌfnz/NAmE/ˈrʌfnz/past simpleroughenedBrE/ˈrʌfnd/NAmE/ˈrʌfnd/past participleroughenedBrE/ˈrʌfnd/NAmE/ˈrʌfnd/ -ing formrougheningBrE/ˈrʌfnɪŋ/NAmE/ˈrʌfnɪŋ/[I, T]tobecomerough; tomakesthrough变粗糙；使粗糙◆Hisvoiceroughenedwitheveryword. 他说话的声音越来越嘶哑。◆~sthColdweatherroughensyourskin. 天气寒冷，皮肤变得粗糙。