to become stronger and more resilient, especially emotionally
变得更强大和更有韧性，尤其是在情感上 (biàn dé gèng qiángdà hé gèng yǒu rènxìng, yóuqí shì zài qínggǎn shàng)
"You need to toughen up if you want to handle criticism at work."
"如果你想在工作中应对批评，你需要 toughen up。" (Rúguǒ nǐ xiǎng zài gōngzuò zhōng yìngduì pīpíng, nǐ xūyào **toughen up**.)
to create an example that others can follow
to respond quickly and angrily to criticism
to genuinely care about someone’s feelings or well-being
to change something into something else
to start learning or doing something different from before
to review and adjust multiple versions in sequence
