他以案子还在审理中为由拒绝进一步的评论。

He declined further comment on the grounds that the case was sub judice.

《柯林斯英汉双解大词典》

显然，这一天已经到来，因为由于这些感染的潜在威胁，膝关节置换等看似常规的手术现在要危险得多。

Apparently, that day has come because seemingly routine operations such as knee replacements are now much more hazardous due to the looming threat of these infections.

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但是，这项建议应以危险为由予以拒绝，因为无法保证一旦不再需要批准，监测指挥官的标准将继续得到遵守。

This recommendation should be rejected as dangerous, however, since there is no assurance that the watch commanders' standards will continue to be observed once approval is no longer required.

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