a falter in sth
常用 there be 结构，表示声音、步伐或进程中出现的短暂不稳。
There was a falter in her voice as she read the letter.
她读信时，声音微微发颤。
摇晃；不稳
falters — plural of falter
不稳定；摇晃。；颤抖；支吾；踌躇
a lack of steadiness; an unsteady, shaky movement or manner
不稳定；摇晃。
An unsteadiness.
There was a slight falter in her voice as she began to sing.
她开始唱歌时，声音里有轻微的颤抖。
用法提示：falter 在此作名词，表示声音中短暂的不稳或颤抖。
The old engine started with a falter and then ran smoothly.
那台旧发动机起动时抖了一下，随后就平稳运转了。
用法提示：falter 在此为名词，指发动机起动时的一阵不稳。
The dancer's routine had a few falters near the end.
那位舞者的表演在接近结尾时出现了几次不稳。
用法提示：falters 是 falter 的复数形式，在此作名词，表示动作中几次不稳或失误。
常用 there be 结构，表示声音、步伐或进程中出现的短暂不稳。
There was a falter in her voice as she read the letter.
她读信时，声音微微发颤。
介词短语 without a falter 强调全程平稳，没有停顿或动摇。
He answered every question without a falter.
他回答每个问题时都毫无迟疑。
用物主代词或名词所有格修饰 falter，指某一次具体的不稳表现。
His falter at the start of the speech was barely noticeable.
他演讲开头那一瞬的动摇几乎看不出来。
grammar · medium
易错句子There was falter in her voice as she spoke.
正确表达There was a falter in her voice as she spoke.
falter 作名词表示“不稳、摇晃”时是可数名词，单数泛指必须加不定冠词 a/an。汉语没有冠词，“声音里有一丝不稳定”很容易直接说成 there was falter，补上 a 才符合可数名词单数的用法。
grammar · medium
易错句子There were a few falter in his steps.
正确表达There were a few falters in his steps.
falter 是可数名词，被 a few 这类表示复数的限定词修饰时必须用复数形式 falters。汉语名词不随数量改变形式，容易漏掉复数词尾 -s；这里只需把名词改成 falters，其余部分不变。
轻微的晃动（或迟疑）
There was a slight falter in his voice as he answered.
他回答时声音有些许发颤。
短暂的动摇（或不稳）
The company showed a momentary falter before sales recovered.
销售额回升前，公司一度出现短暂的下滑。
声音发颤；嗓音不稳
She lost her composure, with a falter in her voice.
她慌了神，嗓音有些发颤。
毫无迟疑；稳稳当当
He spoke for an hour without a falter.
他讲了整整一小时，语气始终平稳。
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