"flail" in Chinese (Simplified)
乱动挥舞
Definition
指挥动某物，尤其是手臂或腿，快速且剧烈地动作；也可以指无助地挣扎或失控。
Usage Notes (Chinese (Simplified))
“Flail” 多指激烈大幅度、毫无章法地动作，多用于身体部位（如“flail your arms”）。也可比喻为情绪或状况失控时的挣扎。属非正式表达，不能指缓慢或温和动作。不等同于“fail”。
Examples
The boy began to flail his arms in the water.
那个男孩开始在水里**乱动**胳膊。
She tried to flail free when caught.
她被抓住时试图**挣扎**着挣脱。
The bird started to flail its wings after falling from the nest.
小鸟从巢里掉下来后开始**扑腾**翅膀。
He flailed around in the dark, searching for the light switch.
他在黑暗中**乱晃**着找开关。
Don’t just flail—focus and try again.
不要光**瞎忙活**——专注再试一遍。
She looked like she was flailing during the dance, but she was just improvising.
她跳舞时看起来像在**乱动**，其实只是在即兴发挥。