该词没有反义词,heart,意思是心、心脏,名词词性,例如:
1、My heart sank when I saw how much work there was left.我看到还有那么多活没干时,心顿时沉了下去。
2、His heart gave a sudden leap when he saw her.他看见她时,心猛地一跳。
3、I felt as if my heart had stopped.我觉得好像我的心都不跳了