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Unsparing and uncompromising in discipline or judgment .

在纪律或者看法上不留情、不妥协。

In a scathing and unsparing manner .

以严厉、无情的方式。

He is unsparing of his own peace and comfort .

他不吝惜自己的安逸舒适。

Here our tone turned unsparing .

在这里我们的基调转向不留情。

Rohde is unsparing about his own shortcomings .

罗德对自己的缺点是不留情。