雷（lei）
Name meaning
雷 (lei) means thunder or forceful sound.
Practical naming use
Use 雷 (lei) when the name should suggest thunder, forceful sound. Keep the full two-character name natural, readable and balanced for everyday use.
Pairing guide
Pair 雷 (lei) with characters such as 安 (An) for a steadier frame, 明 (Ming) for a cultured register, 远 (Yuan) for clarity or 成 (Cheng) for calm. Let the second character clarify the intended register rather than doubling an already strong image.