废寝忘食的英语:lose sleep and forget to eat from anxiety, etc.; disregard meal times and go without sleep; do sth. almost to the gross neglect of one's health, losing sleep and weight; forget all about e...
废寝忘食的法语:s'appliquer à son travail jusqu'à en oublier de manger et de dormir;ne se donner ni trêve ni repo