I went for a second round after waiting for a while for the free gifts, but they noticed I was there again and they gave me a bad look.
I went for a second round：二巡目に挑戦
after waiting for a while：少し間をおいて
for the free gifts：無料のギフト
but they noticed I was there again：でも私がまた来たことに彼らは気づいて
and they gave me a bad look.：彼らは私をにらんだ
というのが意味になります。
日本 
