marked by erratic changeableness in affections or attachments;
"fickle friends" "a flirt's volatile affections"
liable to sudden unpredictable change;
"erratic behavior" "fickle weather" "mercurial twists of temperament" "a quicksilver character, cool and willful at one moment, utterly fragile the next"
例句
用作形容词(adj.)
The weather's so fickle in summer.夏日的天气如此多变。
It's the third time that he changed his mind; he's so fickle!他改变主意已经是第三回了,他这人太反复无常了！
The television world was a notoriously fickle one.电视圈是出了名的变化无常。
He turned out to be fickle - he has left me.他原来是个善变的人 - 他离开我了。
