1CHANGE YOUR MINDsomeone who is fickle is always changing their mind about people or things that they like, so that you cannot depend on them – used to show disapproval 三心二意的,靠不住的,变化无常的〔含贬义〕OPP faithful
an unpredictable and fickle lover
一个捉摸不透、三心二意的情人
2.CHANGE/BECOME DIFFERENTsomething such as weather that is fickle often changes suddenly 〔天气等〕变幻莫测的OPP reliable
—fickleness noun [uncountableU]
the fickleness of fame
名望的起落无常
Examples from the Corpus
fickle• Trouble is, people are fickle.• But memory is fickle and its criteria are constantly shifting.• Teenagers are fickle and switchbrands frequently.• She had been a great star once, but the fickle public now ignored her movies.• Of course, I can be fickle, too.• fickle winds