tā / yī / kāi / kǒu / chàng / gē / jiù / lí / xián / zǒu / bǎn / ér / dà / jiā / dōu / rěn / bú / zhù / xiào / le

他一开口唱歌就离弦走板儿，大家都忍不住笑了。

As soon as he started singing, he went off-key, and everyone could not help laughing.