a scintilla of + [uncountable noun]
常用于否定句，强调完全不存在。
There is not a scintilla of truth in his statement.
他的陈述中没有一丝真实性。
微量；一点点
火花；闪烁；小火花或闪光；少量或微量；火花；闪烁
a very small amount; a trace
小火花或闪光
A small spark or flash.
少量或微量
A small or trace amount.
There isn't a scintilla of evidence for that idea.
那个想法没有丝毫证据。
用法提示：scintilla 在否定句“there isn't a … of”中作名词，表示“极少量、丝毫”。
A scintilla of kindness can brighten a whole day.
一丝善意就能照亮一整天。
用法提示：scintilla 作主语中心词，指“细微的一点、一丝”。
She replied without a scintilla of hesitation.
她毫不犹豫地回答。
用法提示：scintilla 在“without a scintilla of”结构中作名词，强调“完全没有一点”。
常用于否定句，强调完全不存在。
There is not a scintilla of truth in his statement.
他的陈述中没有一丝真实性。
固定搭配，用于强调绝对没有。
She showed not a scintilla of remorse.
她没有表现出丝毫的悔意。
grammar · medium
易错句子She scintilla with joy.
正确表达She shows a scintilla of joy.
用错词性：'scintilla' 是名词，意为“微量”，不能用作动词。应使用 'show a scintilla of' 结构。
grammar · medium
易错句子There is not scintilla of evidence.
正确表达There is not a scintilla of evidence.
缺少冠词：'scintilla' 是可数名词，单数形式前需要加不定冠词 'a'。
scintilla 指微量或火花本身，scintillation 指闪烁的动作或过程
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