sharpener是什么意思_sharpener读音|解释_sharpener同义词|反义词

英语

sharpener（复数 sharpeners）

磨削器
There was a pencil sharpener at the front of the classroom.
教室前面有个削笔刀。
(比喻) 使变明显、加强的事物
- 1795, Hannah More, The Shepherd of Salisbury Plain
  “Sir,” said the shepherd, “poverty is a great sharpener of the wits. […]
- 1872, Chambers's miscellany of instructive & entertaining tracts
  The snuff-box, knife, and chicken-bones were again in requisition, and a pen was successfully formed. The ink, or at least its substitute, was rather more difficult, but necessity is always a sharpener of intellect, and even this was accomplished.
(非正式) 起床后或饭前喝的酒