Enjoy!

Enjoy something
The verb ENJOY means ‘get pleasure from something’.

Enjoy your holiday in London. ✓
Enjoy in London. ?

I thoroughly enjoyed it. ✓
I thoroughly enjoyed. ?

enjoy

➡ Enjoy doing something
ENJOY is followed by an- ing- form, not a to-infinitive.

I enjoy playing the piano. ✓
I enjoy to play the piano. ?

➡ Enjoy yourself
Enjoy yourself means ‘have a good time’.

I enjoyed myself at the concert. ✓
I enjoyed at the concert. ?