What good words and sentences can be used to describe "the sad road to driving test"?

It is difficult to learn to drive, and it is difficult to go to the sky.

Driving is a technical job. Practice makes perfect.

Strive to cultivate peaches and plums, and strive to cultivate elites.

I don't know whether it is sweet or bitter. I can't tell whether it is sweet or bitter. It's not easy to do one thing, or I don't understand the hardships of my predecessors.

Difficult to achieve success: success is a tribute, which means perfection and success. Describe the success after hard training.

Share weal and woe: the hard days have passed, and the good days have come, which means that you have finally made some achievements after experiencing hardships.

Eating it is not enough: sweetness means feeling good, but eating it makes you feel tasteless. Describe something in your heart that doesn't taste good.

Spare no effort: words are evasive, hard and tired, people are not afraid of hardships and have strong perseverance.

How can you see a rainbow without experiencing wind and rain?

Faith can move mountains.

Although it is hard, it is difficult to blow out crazy sand when it is not golden.