dà / jiā / zhèng / liáo / de / kāi / xīn / tā / tū / rán / pī / píng / suǒ / yǒu / rén / shí / zài / shā / fēng / jǐng

大家正聊得开心，他突然批评所有人，实在煞风景。

Everyone was having a good time chatting, but he suddenly criticized everyone and really spoiled the fun.