not to be sneezed at
不可轻视,不可忽视，别不当回事，不容小觑；值得考虑，值得重视
good enough to be accepted or considered seriously
If you say that something is not to be sneezed at, you mean that it is worth having.
The money's not to be sneezed at.
别把这笔钱不当回事。
In those days, 20 dollars was not a sum to be sneezed at. 那时候，20美元可不能不当回事。《牛津高阶英汉双解词典》
The opportunity not to be sneezed at.
那是个不可轻视的机会。
The old man's opinion is not to be sneezed at.
那位老人的意见不可轻视。
It is not to be sneezed at.
这是不可以轻视的。