0 not difficult; easy -- einfach
a simple task.
1 not complicated or involved -- einfach
2 not fancy or unusual; plain -- schlicht
He leads a very simple life.
a simple dress/design
3 pure; mere -- rein
the simple truth.
4 trusting and easily cheated -- naiv
She is too simple to see through his lies.
5 weak in the mind; not very intelligent -- einfältig