hit a roadblock造句

1、Most of the time, visitors leave because they've hit a roadblock: a problem that lets them go no further.

2、But that's where I seem to hit a roadblock. 250,000 won't get me to central park west.

3、NASA's Phoenix Mars Lander has hit a roadblock while trying to scoop a sample of dirt into one of its ovens.

4、In past years, I would often hit a roadblock in my attempts to teach children computer skills using an operating system most had at home.

5、When you're going through something truly difficult, or if you have hit a roadblock, you may just want to roll over and give up.

6、Meanwhile, plans to use regular power to restart the cooling system hit a roadblock when it turned out that cables had to be laid through turbine buildings flooded with the contaminated water.