tìhm syūn hói sīn faai
甜酸 is sweet and sour (甜 is sweet, and 酸 is sour), 海鮮 is seafood, and 塊 is basically a lump or nugget.
Likewise, chicken nuggets are called literally chicken nugget 雞塊 (gāi faai).
Kind of like chicken nuggets, but seafood.
sweet and sour chicken roll