sharpen (sth) up
— phrasal verb with sharpen uk /ˈʃɑː.pən/ us /ˈʃɑːr.pən/ verb [ T ]
(Definition of “sharpen (sth) up” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Get a quick, free translation!
Word of the Day
can't hear yourself think
If you cannot hear yourself think, you cannot give your attention to anything because there is so much noise.