风云变色 meaning in Chinese

the wind and clouds change their colours -- drastic change of a political situation

As the difficult years passed, beijing fell .
在这风云变色的几年间，北京陷落了。
The ground shakes , mountains explode , the sky turns black and violent - natural forces that helped create life on our green planet can also imperil it
大地震动山崩地裂风云变色-这些塑造地球并协助创造地球上各式各样生物的大自然力量，同样亦可以摧毁生命。
This basic boxing uses sound and exhale to add strength , to help boxing potential , is " crying out make cloud and wind change their colors , punching let mountain collapse "
此基础拳常以发声吐气来助发力，助拳势，即南拳谚曰“呼喝则风云变色，开拳则山岳崩颓” 。