take sth to heart 是习语，意思是 to consider what someone says to you very seriously, often because it upsets you，即指“把某事放在心上”“为某事耿耿于怀”；其中的 very much 表程度。又如：

Anne took his criticisms very much to heart.  安妮非常在意他的批评。

We took Stephen’s warnings to heart.  我们牢记了斯蒂芬的警告。