HSK 5 HSK C4/W3
Correct

雷

/ léi  / 
Strokes

Collocation

1
打雷
2
雷声
3
雷阵雨
4
雷电

Definition

雷 is a Noun, which means[thunder/mine (weapon)/(Internet slang) terrifying/terrific].

Example

As a Noun.
1
Dǎléi
打雷
le
了
  
,
yào
要
xiàyǔ
下雨
le
了
  
。

It's thundering and it's going to rain.

2
Nǐ
你
pà
怕
dǎléi
打雷
ma
吗
  
?

Are you afraid of thunder?

3
Tiānqì
天气
yùbào
预报
shuō
说
  
,
jīntiān
今天
yǒu
有
léizhènyǔ
雷阵雨
  
。

The weather forecast says there will be thunderstorms today.