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to toughen up
01
to become stronger and better at handling difficulties
Grammatical Information
Composition
phrasal
Action verb
Regular
Separable
Particle
up
Base verb
toughen
Present tense
toughen up
3rd person singular
toughens up
Present participle
toughening up
Past simple
toughened up
Past participle
toughened up
Examples
The coach toughened up the team through rigorous training sessions.
