谁来解释下下 hold back

问题描述:

谁来解释下下 hold back
She hold back from tell him what she think of him.
I hold myself back from saying a word
为什么第一局后面+动词原形,第二句+ing形式?

第一句from后面+动词原形 明显是错误的,因为from 是介词,后面的动词必须要用ing 形式.