So great is the reserve of the body that the heart, even though (the heart is) enlarged, if taken proper care of will perform its allotted task creditably.

• 人体的潜力是如此之大，以致即使心脏肥大，只要得到适当的照顾，心脏就能够可靠地完成它所担负的任务（省略部分予以补充）。