市场行情总是易变的。

The market trends are always mutable.

天气在这个季节非常易变。

The weather is very mutable in this season.

这个地区的天气非常易变。

The weather in this region is very changeable.

这种材料的性质是易变的。

The properties of this material are mutable.

现在的市场条件高度易变。

The market conditions are highly changeable these days.

人的想法是易变的。

People's thoughts are mutable.

他的情绪非常易变，让人难以捉摸。

His moods are very mutable, making him hard to read.

他的意见是易变的，常常受到他人影响。

His opinions are changeable and often influenced by others.

她的情绪相当易变，所以要做好各种准备。

Her mood is quite changeable, so be prepared for anything.

他的脾气相当易变，所以在他周围说话要小心。

His temper is quite volatile, so be careful what you say around him.