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 start living in a new house or place
to overcome or get beyond something negative
to become aware of something important
to reduce the size or capacity to fit a smaller need
to withdraw from a project, agreement, or deal
to separate or tear something into pieces
