unrelieved darkness夜色无边
unrelieved stress残余应力
Unrelieved losses未抵销的损失
unrelieved expenditure未抵销开支额
unrelieved tax loss未受救济的税收损失
two hours of unrelieved tedium烦闷难解的两小时
ADJ（形容词） If you describe something unpleasant as unrelieved, you mean that it is very severe and is not replaced by anything better, even for a short time. 未减轻的 [oft ADJ 'by' n]
...unrelieved misery.
...未减轻的痛苦。