任务繁重。
Positive and optimistic in the face of life, even if the tasks are arduous, because the complaint is of no avail.
积极乐观的面对生活，即便是任务繁重，因为抱怨是毫无益处的。
The tasks we face are arduous and formidable, and the responsibilities we bear are great and glorious.
我们面临的任务艰巨而繁重，我们肩负的责任重大而光荣。
The tasks to set up the HSE management system are very complicated and arduous.
建立HSE管理体系是一项复杂和艰巨的工作。
The tasks to set up the HSE management system are very complicated and arduous.
建立HSE管理体系是一项复杂和艰巨的工作。
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