cherub

noun
1
a type of angel, shown as a small, fat, usually male child with wings
کروب, فرشته کوچک بالدار, فرشته کودک
compare seraph
2
a pretty child; a child who behaves well
کودک زیبا, کودک معصوم, بچه خوب, کودک فرشته‌مانند
I was quite a good student—no cherub, but no devil either.