1. 名詞
   不可數名詞: 不穩定
   搖擺
   易變
   忽快忽慢
   不規則
   

   同義字詞
   insecurity,instability,precariousness,shakiness,unstableness
   

例句

1. He had persistent unsteadiness .
2. But was there an unsteadiness in the voice?
3. It was an appeal; I could hear the unsteadiness in my voice.
4. Side effects such as sedation and unsteadiness increased with age.
5. His face was flushed and there was a slight unsteadiness about him.
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