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词汇 sharpen up
释义
Phr V
sharpen up
sharpens, sharpening, sharpened
sharpen up (sb/sth) or sharpen (sb/sth) up
to improve something, especially by working hard or practising a lot
I need to sharpen up my game before I take Mark on at tennis.He's taking a course in public speaking so that should sharpen him up.We're not the leaders in the field but we're certainly sharpening up.
phrasesharpen up1. sharpen up sthsharpen sth up to improve something so that it reaches the necessary standard or quality: We need a few more rehearsals to sharpen up the dance routine.2. sharpen up to become more skilled and effective and more determined to succeed: Dobson has sharpened up by training with Olympic sprinter David Grindley.3. sharpen up sthsharpen sth up if you sharpen up a picture or photograph, you make it clearer so that all the details can be seen: By using digital technology we can sharpen up the picture on your television screen.
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