It is nothing serious.

没什么严重的事。

youdao

But luckily enough it is nothing serious so this is part of racing really.

所幸情况不是很严重，这也是比赛的一部分。

youdao

The prime minister retired to bed early because of a slight indisposition; it is nothing serious.

首相早早就睡了，他有点不舒服，不是什么大毛病。

youdao

"What was told in Tbilisi,I think, that as far as it is not connected to any real moves made by the Obama administration it is nothing serious or the Kremlin."

VOA: standard.2010.07.05

Nothing fatal, but it is serious money.

FORBES: Magazine Article

Yet it is nothing short of terrifying to recognise that Clay, on his own authority, gave very serious consideration to using an armoured column backed up by support from the air to break the blockade.

ECONOMIST: The cold war

You put your life into a chef's hands all the time when it comes to food safety (or if you're like me and have food allergies) but nothing is as serious as eating fugu.

WSJ: Marcus Samuelsson on Traveling to Japan to Eat Fugu | Traveler's Tale