to become stronger and more resilient, especially emotionally
より強く、特に感情的にレジリエントになる (yori tsuyoku, tokuni kanjōteki ni reji riento ni naru)
"You need to toughen up if you want to handle criticism at work."
"もしあなたが仕事で批判に耐えられるようになりたいなら、タフン アップする必要があります。" (Moshi anata ga shigoto de hihan ni taerarenai yō ni naritai nara, **toughen up** suru hitsuyō ga arimasu.)
to be patient and not interrupt others
to explode with emotion such as laughter or tears
to involve someone unwillingly in a dispute or war
to become a member of a sports team or group
to attract people or attention
to have faith or confidence in something or someone
