打不通的英文：
1.cannot get through

参考例句：

I'm having trouble calling the Shell Garage.
我打谢尔汽车修理厂打不通。

cannot是什么意思：
v. 不能，无法

This achievement cannot be bettered.
这一成就好得不能再好了。

If you have a bad cold you cannot taste.
如果患了重感冒，就尝不出味道。

The received wisdom is that they cannot win.
大家一致认为他们不会赢。

get是什么意思：
v. 得到；抓住；获得；受到（惩罚）；说服；到达，来；变得，变成；设法；开始
n. 幼兽；生殖

Get to the bottom of
弄个水落石出

Saving is getting
节约等于收入

It was getting dark.
天色渐暗。

through是什么意思：
prep. 通过，穿过，凭借，由于，从始至终，遍及，完成、耗尽，不顾，贯穿
adv. 直达，从头至尾，电话接通
adj. 直达的，完成的、结束的，电话接通的

Have you got through?
电话接通了吗？

To foretell through or as if through the art of divination.
占卜，预言通过或似通过占卜术预言

Lasting or active through the year or through many years.
常绿的全年或多年都充满生机