Unconfident
a. 缺乏信心的,不确信的,犹豫的
🗣️ 情景例句
The apples?
苹果吗？
I deeply regret my thoughtlessness.
我深为反省自己的轻率。
New technology has also made its own contribution to noise.
新技术也为噪音作了它的贡献。