She looked at him with great amusement.
Carl came last in the race, much to my amusement.
Each ma[de] the other one laugh. We had great fun. [It was] a day with so much amusement, with my best friend John. (First Certificate in English; B2; Greek)
I play the piano, but just for my own amusement.
In particular, computer games are a kind of amusement, for them and for everyone. (First Certificate in English; B2; Greek)