Definition
This idiom is used to express that something is not particularly impressive or praiseworthy.
没什么了不起的（常用来表示不以为然）
"He only ran five kilometers." "That's not saying much."
「他只跑了五公里。」「那没什么了不起的。」
"They've already made some money, and they've only just started." "That's not saying much, many people do."
「他们已经赚了一些钱，而且他们才刚刚开始。」「那没什么了不起的，很多人都能做到。」
"Her paintings are being exhibited locally." "That's not saying much, many people exhibit there."
「她的画作在当地展出了。」「那没什么了不起的，很多人都在那里展出。」