sharpen
US /ˈʃɑːr.pən/
UK /ˈʃɑːr.pən/

動詞
1.
磨, 削尖
to make something sharp or sharper
範例:
•
He used a whetstone to sharpen his knife.
他用磨刀石磨他的刀。
•
The barber will sharpen his razor before shaving.
理髮師會在刮鬍子前磨他的剃刀。
2.
提高, 增強
to improve or make something more effective
範例:
•
Reading regularly can help to sharpen your mind.
經常閱讀有助於提高你的思維能力。
•
The training program aims to sharpen employees' skills.
培訓計畫旨在提高員工的技能。
在 Lingoland 學習這個單詞
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