反复无常的人 meaning in English

chameleon
vane

Sir john senter was a very unpredictable man .
约翰森特爵士是个反复无常的人。
I am supposed to be capricious
我被认为是个反复无常的人
The image of a solitary ipsorelative mutable aliorelative man
一个就自己而言落落寡合，对别人反复无常的人的影象。
You are not so fickle - i am come on purpose for you - my mother and father will welcome you now
你可不是一个反复无常的人我是专门来找你的我的父母现在都欢迎你了！ ”