变幻的

Actors have the reputation of being highly temperamental.

演员的性情无常众所周知的。

They thought themselves lucky in the lottery of life.

他们认为自己莫测的人生中的幸运者。

It was a vast and treacherous landscape, but breath-takingly beautiful.

这一片广阔而莫测的景致，但却美得令人惊讶。

The heavy rain might settle the changeable weather.

这大雨也许能使不定的天气稳定下来。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北极圈范围，月夜下除了能够看到天的星外，莫测的极光往往在夜�著演一幕又一幕的天文表演。