who wanna learn idioms

[Hillin]

First of all, I wanna say"thank you' for this fun topic, it's so cute
well my Idiom is
A cream of the crop
=
said when someone whom you think is best
eg;
Lydia worked hard in the last exam, so her teachers think that she is a cream of the crop"
which means that lydia jconcidered among the best student in her class