| It's just so frustrating that I have to start over every time I fall.
This achievement is rather difficult and is considered quite hard. Due to its hard difficulty, the power cell reward for this achievement is higher than most achievements. Infinite Mode level achievements are usually not affected by this and they still keep their 25-75 power cell rewards if not affected.
Note that in each platform, all the conveyors in the "middle" of the platform are fast, whereas only some of the platforms in the left and right are fast.
One of the characters you can use for this level is the Pastafarian, which allows you to walk on the light bridge (but make sure to touch one fast conveyor tile). Another way is the Student. With her slow speed, you can see easily where a slow one is and where a fast one is. A third option is the Bunny. It is mostly luck-based with the Bunny, but you can minimize your chances of hitting a slow conveyor tile by making large jumps over the level.
The phrase "have a good eye" means "someone who is good at seeing small and important things that other people might not notice", which reflects on how hard it is to see the different types of conveyors in the level.