tái / xià / wū / yā / yā / zuò / mǎn / le / guān / zhòng / dà / jiā / dōu / zài / děng / yǎn / chū / kāi / shǐ

台下乌压压坐满了观众，大家都在等演出开始。

The audience was densely packed under the stage, everyone waiting for the performance to start.