1. 不倦：unwearied /疲倦的/不累的/孜孜不倦的/ | unwearying /不倦/ | unweathered /未风化的/未经风化的/
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adj
1. showing sustained enthusiastic action with unflagging vitality
e.g. an indefatigable advocate of equal rights
a tireless worker
unflagging pursuit of excellence
Synonym: indefatigabletirelessunflagging