I don't like sushi from conveyor belt sushi restaurants.
回転寿司の寿司は苦手 - I don't like sushi from conveyor belt sushi restaurants.
I'm not a fan of sushi from conveyor belt sushi restaurants.
彼女は回転寿司の寿司は苦手と言ってた - My girlfriend said she doesn't like sushi from conveyor belt sushi restaurants.
彼女は地元が海に近く、毎日新鮮な海鮮物を食べて育ったから、回転寿司の安い寿司は苦手と言ってた - My girlfriend said that because she grew up near the ocean/sea and because she's used to eating fresh seafood, she's not a fan of cheap sushi from conveyor belt sushi restaurants.
She was raised near the ocean so she was able to eat good seafood growing up, so she said she doesn't like eating cheap sushi that comes around a restaurant on a conveyor belt.
この場合、次のような言い方ができますよ。
ーShe was raised near the ocean so she was able to eat good seafood growing up, so she said she doesn't like eating cheap sushi that comes around a restaurant on a conveyor belt.
「彼女は海の近くで育ったので、美味しい海鮮を食べて育ったから、回転寿司の安い寿司は好きじゃないと言っていた」
sushi that comes around the restaurant on a conveyor belt で「回転寿司の寿司」と言えます。
ご参考まで!