单词 | unsuccessful |
例句 | unsuccessfulunsuccessful /ˌʌnsəkˈsesfəl/ adjective ► unsuccessful not succeeding in doing something. You use unsuccessful especially about attempts to do something which have failed: ► ineffective something that is ineffective does not do what you want. You use ineffective about drugs and methods that do not work: ► useless not helpful or useful at all. Useless sounds much stronger and more informal than ineffective: ANTONYMS ➔ see successfulADVERBS: unsuccessfulYou can make the adjectives that mean unsuccessful into adverbs by using an -ly ending: We tried unsuccessfully to find out where the noise was coming from. | My broken arm hung uselessly at my side. |
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