| 释义 | roughenrough‧en /ˈrʌfən/ verb [intransitive, transitive]    VERB TABLEroughen |
 | Present | I, you, we, they | roughen |  |  | he, she, it | roughens |  | Past | I, you, he, she, it, we, they | roughened |  | Present perfect | I, you, we, they | have roughened |  |  | he, she, it | has roughened |  | Past perfect | I, you, he, she, it, we, they | had roughened |  | Future | I, you, he, she, it, we, they | will roughen |  | Future perfect | I, you, he, she, it, we, they | will have roughened | 
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 | Present | I | am roughening |  |  | he, she, it | is roughening |  |  | you, we, they | are roughening |  | Past | I, he, she, it | was roughening |  |  | you, we, they | were roughening |  | Present perfect | I, you, we, they | have been roughening |  |  | he, she, it | has been roughening |  | Past perfect | I, you, he, she, it, we, they | had been roughening |  | Future | I, you, he, she, it, we, they | will be roughening |  | Future perfect | I, you, he, she, it, we, they | will have been roughening | 
Her hands had been roughened by years of labouring.Sand the surface to roughen it before repainting.the roughened old stump of a tree
to make a surface rough► roughen · Her hands had been roughened by years of labouring.· the roughened old stump of a tree nounroughthe roughroughageroughnessverbroughroughenadverbroughroughlyadjectiveroughto become rough, or to make something rough:  hands roughened by work |