1) cannot provide a shred of evidence
拿不出丝毫证据
2) I challenged him to show his proof.
我要他拿出证据。
4) Not a hair of one's head shall be touched
丝毫不损
5) not change by an iota
丝毫不变
6) not deviate a hair's breadth; be perfectly accurate; be right in every detail; be just right
丝毫不爽
补充资料：丝毫
1.细微之至。丝﹑毫都表示极小或极少。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条