| 词汇 | toughen |
| 释义 | toughen/ˈtʌfn ||; ˈtʌfṇ/verb [i,t] toughen (sb/sth) (up) to make sb/sth tough 使坚韧、坚强或严厉 tough·en /`tʌfṇ; ˈtʌfən/ also 又作 toughen upv [i,t]to become stronger, or to make someone or something stronger （使）［某人］变坚强; （使）［某物］变坚韧 |
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