keep up与with搭配吗？是必须得还是可以不

这是两个词组：

1、keep

up

的意思是：保持；继续；不低落；不落后

Keep

up

the

struggle

till

you

succeed.

继续战斗直到你们取得胜利。

2、keep

up

with

赶得上；和…保持联系

You

try

to

keep

up

with

the

latest

and

make

the

smartest

choices—but

are

they

as

healthy

as

you

think?

尝试去保持最新的营养观念和做出最精明选择，但是你觉得它们带来的是你所认为的健康吗？