sharpen
英 ['ʃɑːp(ə)n]
美['ʃɑrpən]
- vt. 削尖；磨快；使敏捷；加重
- vi. 尖锐；变锋利
英英释意
- 1. make sharp or sharper;
- "sharpen the knives"
- 2. make sharp or sharper;
- "We had to sharpen our arguments"
- 3. become sharp or sharper;
- "The debate sharpened"
- 4. put (an image) into focus;
- "Please focus the image; we cannot enjoy the movie"
- 5. make (images or sounds) sharp or sharper
- 6. raise the pitch of (musical notes)
- 7. give a point to;
- "The candles are tapered"
- 8. make (one's senses) more acute;
- "This drug will sharpen your vision"