xiào / zhǎng / dēng / gāo / yī / hū / dà / jiā / lì / kè / kāi / shǐ / wèi / zāi / qū / chóu / kuǎn

校长登高一呼，大家立刻开始为灾区筹款。

After the principal made a public appeal, everyone immediately began raising money for the disaster area.