toughen
US /ˈtʌf.ən/
UK /ˈtʌf.ən/
动词
1.
使坚韧, 使变强
make or become stronger and more resilient
示例:
•
The training will toughen you up for the competition.
训练会让你为比赛变得更强。
•
His experiences in the army really toughened him.
他在军队的经历真的磨练了他。
在 Lingoland 学习这个单词
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