Our welfare is of no concern to them.

我的幸福与他们无关。

As if he's been cut from a thick tree trunk and the below-freezing temperature is of no concern to him.

就像是直接从一棵粗重的树桩上刻出来的一样，零下的气温中不动声色。

The indiscretion of politicians is of no concern to me.

政客们的草率不在我关心的范围。

Conversely, there are some risks of cutting gluten out; while the lack of gluten itself is of no concern, the vitamins and whole grains that it's often combined with are quite important.

相反，戒掉谷蛋白也有一定的风险；虽然缺乏谷蛋白本身无关紧要，但经常与之结合的维生素和全谷物却是非常重要的。