fickle

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متلون ،دمدمى ،بى ثبات ،بى وفا

INCOSTANTE. INSTABILE. MUTEVOLE. VOLUBILE

fick's law 斐克定律 菲克定律

fickle
\fic"kle\ (?), a. [oe. fikel untrustworthy, deceitful, as. ficol, fr. fic, gefic, fraud, deceit; cf. fācen deceit, os. f&?;kn, ohg. feichan, icel. feikn portent. cf. fidget.] not fixed or firm; liable to change; unstable; of a changeable mind; not firm in opinion or purpose; inconstant; capricious; as, fortune's fickle wheel. they know how fickle common lovers are.