火急

tā men huǒ jí chū fā

他们火急出发。

They leaved in a hurry

rèn wù shí fēn huǒ jí

任务十分火急。

The task is very pressing.

huǒ jí wén diàn

火急文电

flash message

shí wàn huǒ jí

十万火急

extremely urgent

zhè shì yě zhàn shǒu zhǎng fā lái de huǒ jí de diàn bào

这是野战首长发来的火急的电报。

This is a signal of the urgent urgency from field army headquarters.