keep 与 keep on 的区别

keep
in
有抑制，闭门不出，让火不熄的意思，例如keep
in
mind
that
you
have
to
be
...
keep
on
表示反复地做，继续进行she
kept
on
working
although
she
was
tired.
keep
out
有不许入内，挡在外面的意思，ex：keep
out
the
cold
但是他们又都有保持某种状态的意思

及物动词
vt.
(长期或永久)持有,保有
I
kept
it
all
the
time
to
remind
me
of
you.
我一直保存着它,以此唤起我对你的记忆。
2.(一时)拥有;保管
Please
keep
the
watch
for
me
while
I
go
swimming.
我去游泳,请代我保管这表。
3.存放,保留,保存
还有很多的意思，可以自己积累。keep
on
接的是doing，也就是说他后面的动词要加上ing.即现在分词。

keep doing sth继续做某事，表示一直在做同一件事
keep on doing sth停下来去做另一件事

1.如果是lie/sit/stand/walk等动词，只能用keep doing.其他用法相同
如： We must keep (on) learning all the time.
He kept sitting in the living-room all day, deep in thought.

keep doing sth继续做某事
keep on doing sth是继续做某事且做现在做的事