第一个,can't
help
to
do中的help是帮助的意思,这个是can
help
to
do
的否定形式,意为,帮不了
例句:I‘m
sorry,
I
can't
help
to
solve
this
problem.
意思是,对不起,这个问题我帮不上忙。
第二个是一个固定短语,can't
help
doing
sth,意为,止不住做某事,情不自禁做某事
例句:She
can't
help
laughing.她忍不住笑了起来。
can
not
help
to
do是不能帮助做某事。而can
not
help
doing是禁不住做某事,同意的还有can
not
help
but
do,区别在于前者加ing,后者加原型
can’t
help
to
do和
can’t
help
doing
can
not
help
to
do是不能帮助做某事.
而can
not
help
doing是禁不住做某事,
同义的还有can
not
help
but
do,区别在于前者加ing,后者加原型。