And then the doctors tell her her baby has only half a heart.

可是医生告诉她，她的宝宝只有一半的心脏。”

I made some light rejoinder, but it was with half my heart; for the circumstance had impressed me.

我做了一些轻松的反驳，但这是我半心半意的；因为当时的情况给我留下了深刻的印象。