Start by washing the cucumbers really well with water to make sure they're clean.
If you want, you can peel off the skin of the cucumbers.
Slice the cucumbers into thin slices.
If you're using imitation crab meat, you can just open the package. But if you have real crab meat, take it out of the shell and chop it into little pieces.
Take a big bowl and put the cucumber slices and crab meat inside.
Next, Mix some mayonnaise into the bowl with the cucumbers and crab. Add enough so that everything gets a nice coating, but not too much.
Squeeze some lemon juice into the bowl.
Sprinkle a little salt and pepper on top.
If you like extra crunch and flavor, you can chop up some celery or herbs like parsley and add them in.
Mix everything together gently so that all the ingredients get evenly coated with the mayo and seasoning.
You can serve it right away, or if you have time, cover the bowl and put it in the fridge for a while to chill.