a tiny flyspeck
without a flyspeck
a mere flyspeck
A: Can you see any flaws in this diamond?
A：你能看出这颗钻石有什么瑕疵吗？
B: No, there isn't even a flyspeck on its surface.
B：没有，它的表面连一点微小的瑕疵都没有。
1) 苍蝇留下的斑点
2) 微小的瑕疵或污点
3) 微不足道的东西
1. 苍蝇留下的斑点或污点
noun
1. A tiny spot, speck, or blemish
Synonym: speck, blemish, flaw