lose heart中的HEART可数吗,比如说the text was so difficult to pass that the students all lost their hearts/heart?

lose heart中的HEART可数吗,比如说the text was so difficult to pass that the students all lost their hearts/heart? 失恋可以说lose one's heart吗 lose heart to sb never lose heart 翻译 lose my heart. 英译汉：Never lose heart! Lose one's heart win game lose heart win game lose heart win game lose heart win game lose heart lose myweight,lose mybreath lose my heart lose heart to 与 lose one's heart to 是一个意思吗? lose heart和lose one's heart有什么区别? lose heart 和lose one's heart 的区别 Lose heart 和lose ones heart 的区别是什么? lose,heart,don't,yuor(!) lose one's heart 是什么意思?