zhè / zhī / lǎo / hǔ / yì / fā / wēi / zhěng / gè / dòng / wù / yuán / dōu / ān / jìng / le / xià / lái

这只老虎一发威，整个动物园都安静了下来。

As soon as the tiger showed its power, the whole zoo fell silent.