toughen
大学
FREQ #28034
★☆☆☆☆
v. (使)变坚韧, (使)变顽强
发音
其它
/ˈtʌfən/
词形变化
toughened
toughening
toughens
三单
toughens
toughening
现在分词
toughened
过去式
toughened
过去分词
教材释义与例句
动词
使…坚韧;使…顽固
动词
变坚韧;变顽固
释义与例句
v.
-
1.
To make tough.
及物The new training program is designed to toughen the athletes.
A cold shower every morning will toughen your skin.
-
2.
To become tough.
不及物
词汇关系
上位词 1
下位词 2
相关短语
词源
From tough + -en.
来源:wiktionary