toughen
toughen /ˈtʌfən/ nghĩa là làm cho cứng rắn
Các nghĩa
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làm cho cứng rắn
To make tough.
The new training program is designed to toughen the athletes.
A cold shower every morning will toughen your skin.
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trở nên cứng rắn
To become tough.
Dạng khác
- toughens present, singular, third-person
- toughening participle, present
- toughened participle, past