艰巨 (jiān jù) — arduous; very difficult; formidable

Definition

Examples

• 这项工程非常艰巨，需要大家的努力。
  Zhè xiàng gōng chéng fēi cháng jiān jù, xū yào dà jiā de nǔ lì.
  This project is very arduous and requires everyone's effort.
• 面对如此艰巨的任务，他仍然坚持完成了。
  Miàn duì rú cǐ jiān jù de rèn wu, tā réng rán jiān chí wán chéng le.
  Such a formidable task, he still persevered and completed it.
• 走在攀登高峰的艰巨道路上，我们不能放弃。
  Zǒu zài pān dēng gāo fēng de jiān jù dào lù shang, wǒ men bù néng fàng qì.
  On the arduous path of climbing the peak, we cannot give up.