QUANT
(强调没有)一星半点，毫厘
If you say that there is not a scintilla of evidence, hope, or doubt about something, you are emphasizing that there is none at all.
例句
He says there is 'not a scintilla of evidence' to link him to any controversy.
他说“没有丝毫证据”能将他跟任何争议联系在一起。