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- arduously
单语范例（未经PONS编辑处理）
Supporters believe participants learn tenacity when they fail and must move on, and they practice arduously trying to achieve something which proves even more valuable when they are successful.
en.wikipedia.org The real heroes of this trial are the 326 men who agreed to participate and be arduously assessed.
www.afr.com The band's self governance agreements were negotiated slowly and arduously between all levels of government.
news.nationalpost.com They arduously maintain a signal fire and scrape some food from the seashore.
en.wikipedia.org But you can be working arduously towards losing.
www.abc.net.au