Taivo A Taiwan Mandarin dictionary

亹亹不倦

wěiwěibùjuàn

ㄨㄟˇ ㄨㄟˇ ㄅㄨˋ ㄐㄩㄢˋ

  1. 1on and on
  2. 2relentlessly

Keep 亹亹不倦 and it comes back until you know it.

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