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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 sth • sharpen 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 sth • sharpen 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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