莽撞

例句：

1. 1. He was so bashful that he could hardly speak.
   他太害羞了，几乎说不出话来。
2. 2. The young man's actions were quite impetuous.
   这个年轻人的行为相当冲动。
3. 3. She is known for her impetuous decision-making.
   她以冲动的决策而闻名。