the tasks are arduous 任务繁重
The tasks are arduous.
任务繁重。
《新英汉大辞典》
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。
youdao
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。
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