tā / chī / le / bù / gān / jìng / de / hǎi / xiān / bàn / yè / kāi / shǐ / shàng / tù / xià / xiè他吃了不干净的海鲜,半夜开始上吐下泻。He ate contaminated seafood and began vomiting and having diarrhea in the middle of the night.