| 单词 | useless | 
| 释义 | use·less    (yslĭs)adj. 1.  a.  Being or having no beneficial use; ineffective: This pen is useless because it's out of ink. See Synonyms at  futile. b.  Having no purpose or reason; pointless; to no avail: It's useless to argue over matters of taste. 2.  Incapable of acting or functioning effectively; ineffectual or inept: He panics easily and is useless in an emergency. useless·ly adv. useless·ness n.  | 
	
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