在线词典孜孜不倦孜孜:勤勉,不懈怠。指工作或学习勤奋不知疲倦。拼音zī zī bù juàn解释孜孜:勤勉,不懈怠。指工作或学习勤奋不知疲倦。近义词废寝忘食、不辞劳苦、摩顶放踵反义词游手好闲、饱食终日、无所事事英文释义lit. diligent and never slacking (idiom); continuous concentrated effort; assiduous (in study); to concentrate