nǐ / zhēn / shì / bù / zhī / sǐ / huó / jìng / rán / gǎn / zài / léi / yǔ / tiān / qù / pá / shān

你真是不知死活，竟然敢在雷雨天去爬山。

You're really reckless, daring to go hiking in a thunderstorm.