chōng
首当其冲。
shǒu dāng qí chōng
to bear the brunt; to be the first to be affected
横冲直撞
héng chōng zhí zhuàng
to rampage; to charge about wildly
冲出重围
chōng chū chóng wéi
to break through an encirclement; to break out of a siege