1 V-ERG (使)变坚硬;(使)变坚韧 If you toughen something or if it toughens, you make it stronger so that it will not break easily. (使)变坚硬;(使)变坚韧 [Also VERB]
2 VERB 加强，强化（政策、规章或惩罚）；使强硬 If a person, institution, or law toughens its policies, regulations, or punishments, it makes them firmer or stricter. 加强，强化（政策、规章或惩罚）；使强硬 [Also VERB n PREPOSITION]
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Talks are under way to toughen trade restrictions. [VERB noun]
加强贸易限制的会谈正在进行中。
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They have put considerable pressure on the Government to toughen its stance… [VERB noun]
他们已对政府施加了相当大的压力，要求其采取强硬立场。
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British regulations are also being toughened. [VERB noun]
英国的规章也正在变得更加严格。
SYN make stricter, tighten, stiffen, beef up [informal]
Toughen up means the same as
toughen.
toughen up 同 toughen 3 VERB （经历）使坚强，使顽强 If an experience toughens you, it makes you stronger and more independent in character. （经历）使坚强，使顽强 [Also VERB PREPOSITION n (not pron)]
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They believe that participating in fights toughens boys and shows them how to be men. [VERB noun]
他们认为参与打架会使男孩子变得坚强，教会他们怎样成为男人。
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…people who have been toughened by their daily circumstances. [VERB noun]
被日常境况磨砺得坚韧顽强的人们
SYN harden, strengthen, fortify, brutalize
Toughen up means the same as
toughen.
toughen up 同 toughen -
He thinks boxing is good for kids, that it toughens them up.
他认为拳击对小孩子有好处，可使他们变得坚强。
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My father tried to teach me to toughen up.
我父亲试图教我变得坚强。
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