n.不（稳）定（性）；不稳（度；固）；不定常性；非（恒）性；易变（性）

She felt a sudden unsteadiness in her knees as she saw him approach.
她看到他走过来时，膝盖突然一阵虚弱。
His hands shook with unsteadiness after the long operation.
长时间的手术后，他的手颤抖得厉害。
The unsteadiness of his voice betrayed his nervousness.
他声音的颤抖暴露了他的紧张。
The old man's unsteadiness on his feet made us worry about his balance.
老人走路不稳让我们担心他会摔倒。
The high altitude caused unsteadiness and dizziness in the climbers.
高海拔让登山者感到头晕和步履不稳。
His unsteadiness when climbing the stairs suggested a potential health issue.
他上楼梯时的摇晃可能表明有健康问题。
The unsteadiness of the table made it difficult to write comfortably.
桌子不稳使得写字很不舒服。
The unsteadiness of the camera during the action scenes affected the viewing experience.
动作场景中相机的抖动影响了观看体验。
Her unsteadiness after drinking too much alcohol was evident from her wobbly walk.
显然，她酒喝多了，走路踉踉跄跄。
The unsteadiness of the financial market led to cautious investment decisions.
金融市场动荡不安，导致投资者做出谨慎的投资决策。