| 释义 |
tough·en /ˈtʌfən/ vt. | vi.
❶ vt.
使(更)坚韧；使(更)强壮；使(更)坚强；使(更)强硬；使(更)顽强；使(更)困难；使(更)坏
toughened glass 钢化玻璃
He needs plenty of hard exercise to toughen him up. 他需要充分的艰苦锻炼以增强体质。
They have been toughened by the experience. 这次经历使他们坚强起来。
❷ vi.
变得(更)坚韧；变得(更)强壮；变得(更)坚强；变得(更)强硬；变得(更)顽强；变得(更)困难；变得(更)坏
She has toughened a lot since her mother died. 自从她母亲故世后，她变得坚强多了。
The situation has toughened up. 局势恶化了。
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