| 雷 | léi | thunder; (internet slang) terrifying; terrific; surname Lei |
| 雷雨 | léi yǔ | thunderstorm |
| 雷锋 | Léi Fēng | Lei Feng (1940-1962), young communist killed in an accident in 1962, used as a model in one of Mao's campaigns from 1963 |
| 雷达 | léi dá | radar (loanword) |
| 雷电 | léi diàn | thunder and lightning |
| 地雷 | dì léi | landmine; CL:颗 |
| 雷声 | léi shēng | thunder |
| 避雷针 | bì léi zhēn | lightning rod |
| 雷管 | léi guǎn | detonator; fuse |
| 雷击 | léi jī | lightning strike; thunderbolt |
| 水雷 | shuǐ léi | naval mine |
| 雷诺 | Léi nuò | Reynolds (name); Renault (French car company); Reno, Nevada |
| 雷鸣 | léi míng | thunder; very loud sounds |
| 鱼雷 | yú léi | torpedo |
| 布雷 | bù léi | to lay mines |
| 打雷 | dǎ léi | to rumble with thunder; clap of thunder |
| 雷同 | léi tóng | mirroring others; identical |
| 雷阵雨 | léi zhèn yǔ | thunder shower |
| 雷诺数 | Léi nuò shù | Reynolds number (ratio of inertial forces to viscous forces in fluid mechanics) |
| 扫雷 | sǎo léi | minesweeper (computer game) |
| 鱼雷艇 | yú léi tǐng | torpedo boat |
| 雷峰塔 | léi fēng tǎ | Leifeng Pagoda, by West Lake until it was destroyed (also from Madam White Snake) |
| 雷霆 | léi tíng | sound of thunder |
| 雷州半岛 | Léi zhōu bàn dǎo | Leizhou Peninsula |
| 不敢越雷池一步 | bù gǎn yuè léi chí yī bù | dare not go one step beyond the prescribed limit |
| 不越雷池 | bù yuè léi chí | not overstepping the prescribed limits; to remain within bounds |
| 伯德雷恩图书馆 | bó dé léi ēn tú shū guǎn | Bodleian Library (Oxford) |
| 伽利略・伽利雷 | Jiā lì lüè · Jiā lì léi | Galileo Galilei (1564-1642), Italian scientist |
| 布雷舰 | bù léi jiàn | minelayer (ship) |
| 布雷顿森林 | Bù léi dùn sēn lín | Bretton woods conference in 1944 of allied powers, regulating world exchange rates and setting up IMF and world bank |
| 克雷伯氏菌属 | Kè léi bó shì jūn shǔ | Klebsiella |
| 古斯塔夫・多雷 | gǔ sī tǎ fū · duō léi | Gustave Dore (1832-1883), French artist and sculptor |
| 咆哮如雷 | páo xiào rú léi | to be in a thundering rage (idiom) |
| 哈姆雷特 | Hā mǔ léi tè | Hamlet (name); the Tragedy of Hamlet, Prince of Denmark c. 1601 by William Shakespeare 莎士比亞 |
| 哈拉雷 | Hā lā léi | Harare, capital of Zimbabwe |
| 哈雷彗星 | Hā léi huì xīng | Halley's comet |
| 图阿雷格 | Tú ā léi gé | Tuareg (nomadic people of the Sahara) |
| 坎特伯雷 | Kǎn tè bó léi | Canterbury, England |
| 坎特伯雷大主教 | Kǎn tè bó léi dà zhǔ jiào | Archbishop of Canterbury, head of Church of England |
| 坦佩雷 | Tǎn pèi léi | Tampere (Swedish Tammerfors), Finland's second city |
埃尔维斯・普雷斯 利 | Āi ěr wéi sī · Pǔ léi sī lì | Elvis Presley (1935-1977), US pop singer and film star |
| 大发雷霆 | dà fā léi tíng | to be furious; to fly into a terrible rage |
| 如雷贯耳 | rú léi guàn ěr | lit. like thunder piercing the ear; a well-known reputation (idiom) |
| 安克雷奇 | Ān kè léi qí | Anchorage (city in Alaska) |
| 希蒙・佩雷斯 | Xī měng · Pèi léi sī | Shimon Peres, ninth president of Israel |
弗洛伦蒂诺・佩雷 斯 | Fú luò lún dì nuò · Pèi léi sī | Florentino Pérez (1947-), Spanish businessman and president of Real Madrid football club |
| 弗雷 | Fú léi | Freyr (god in Norse mythology) |
| 弗雷德里克 | Fú léi dé lǐ kè | Frederick |
| 弗雷德里克顿 | Fú léi dé lǐ kè dùn | Fredericton, capital of New Brunswick, Canada |
| 张太雷 | Zhāng Tài léi | Zhang Tailei (1898-1927), founding member of Chinese communist party |