hard-to-spot
01
难以发现, 难以看到
difficult to see or notice because of being hidden or not easily visible
例子
The camouflaged animal was hard-to-spot in the dense forest.
在茂密的森林里，那只伪装过的动物很难被发现。
The tiny error in the document was hard-to-spot even with a careful review.
文件中的小错误即使仔细检查也难以发现。
