n.无法平息，难以和解，不缓和，不安静
Such implacability may simply disguise shyness or arrogance.
这种冷漠无情也许仅仅是为了掩饰害羞或傲慢.
Yet her race was a race with the vagaries and implacability of fate.
然而,她的民族却是个天命不可知、命不可违的民族.
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