Meaning of léi:
雷
surname Lei; thunder; (bound form) (military) mine, as in 地雷[di4 lei2] land mine; (Tw) (coll.) spoiler
Wǒ de péngyǒu xìng Léi.
我的朋友姓雷。
My friend's surname is Lei.
Zuó wǎn de léi shēng hěn dà, xià huài le wǒ de xiǎo gǒu.
昨晚的雷声很大，吓坏了我的小狗。
The thunder last night was so loud that it scared my little dog.
Zài zhànchǎng shàng mái le hěn duō dìléi.
在战场上埋了很多地雷。
Many landmines were buried on the battlefield.
tā gàosùle wǒ diànyǐng de léi diǎn.
他告诉了我电影的雷点。
He told me the spoiler of the movie.
(coll.) to shock; to stun; to astound; (Tw) (coll.) to reveal plot details to (sb)
Tīng dào zhège xiāoxi, wǒ gǎndào hěn léi.
听到这个消息，我感到很雷。
Hearing this news, I was very shocked.
Tā gěi wǒ jùtòu le, yǐjīng bù xūyào zài kàn diànyǐng le, zhēn shì tài léi rén le.
他给我剧透了, 已经不需要再看电影了, 真是太雷人了。
He spoiled the movie for me, I don't need to watch it anymore, it was really a bummer.
