stumblingly

例句：

1. 1. She stumbled over her words when she tried to explain the situation.
   她试图解释情况时结巴了。
2. 2.The artist painted the landscape with a stumblingly rough technique.
   这位艺术家用一种笨拙粗糙的技巧绘画风景。
3. 3.He stumbled along the path, not sure if he could make it home tonight.
   他沿着小路蹒跚前行，不确定今晚是否能到家。