toughen up
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English[edit]
Pronunciation[edit]
Audio (AU) (file)
Verb[edit]
toughen up (third-person singular simple present toughens up, present participle toughening up, simple past and past participle toughened up)
- (idiomatic, transitive, intransitive) To make or become mentally tougher.
Translations[edit]
make or become mentally tougher
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