a sea of fire

基本解释

The whole fleet sank into a sea of fire.
水寨淹没在一片火之海中。
dict.cn
Washington into a sea of fire as a whole.
全盘华盛顿堕入一片火海。
Cao moment to make a vessel, operating off shore, the wind flying by the fire, flames into the sky, a sea of fire, to illuminate the school of the south bank of red cliffs, hence the name Red Cliff.
曹军船只一时尽著，岸上营落，火逐风飞，烈焰冲天，一片火海，把南岸崖壁照得一派通红，赤壁也因此得名。
blog.sina.com.cn

This week North Korea's official news agency threatened to destroy South Korea in a "sea of fire, " and "reduce everything treacherous and anti-reunification to debris and build an independent, reunified country on it, " if any country dares to attack its nuclear installations.
CENTERFORSECURITYPOLICY: The 'realist' fantasy
Similarly, the latest North-South talks were heralded by a short but deadly exchange of fire in a disputed area of the Yellow Sea.
ECONOMIST: Another Korean crisis?
Last week, Kim Jong Un visited two islands just north of the sea boundary and ordered troops there to open fire immediately if a single enemy shell is fired on North Korean waters.
NPR: SKorea, US Begin Drills As NKorea Threatens War