fickle
例子
The desert winds were fickle, changing direction unpredictably and confounding travelers.
沙漠的风变幻莫测，方向变化无常，令旅行者困惑。
The candle 's flame proved fickle in the drafty room, dancing erratically and threatening to go out.
在通风的房间里，蜡烛的火焰被证明是反复无常的，不规则地舞动着，随时可能熄灭。
02
善变的, 反复无常的
(of a person) likely to change their mind or feelings in a senseless manner too frequently
例子
Her fickle nature made it difficult to plan anything, as she often changed her mind at the last minute.
她善变的本性使得计划任何事情都很困难，因为她经常在最后一刻改变主意。
The fickle customer could n't decide on a color, switching between options several times before finally making a purchase.
善变的顾客无法决定颜色，在最终购买前多次在选项之间切换。
