趟火 

Pinyin: tāng huǒ 
Meaning：To dash through flames
Sentence：一个佛教徒在趟火。A Buddhist devotee dashes barefoot through flames.

More: 

趟： 

Pinyin: tāng,tàng
Meaning: A time; a trip
Radical: 走
Stokes: 15
Traditional: 趟
Common words/Phrase:
一趟 [yi tàng] 【go for a gallop】

火：

Pinyin: huǒ 
Meaning: Ammunition; anger; fire; urgent
Radical: 火 
Stokes: 4 
Traditional: 火 
Common words/Phrase:
火红[huǒ hóng] 【fiery; flaming】 
火速[huǒ sù] 【urgent; pressing】 
发火[fā huǒ] 【get angry; lose one's temper】 
引火[yǐn huǒ] 【kindle a fire】 
火锅[huǒ guō] 【hot pot】