truculent

例句：

1. 1. The bully was always truculent and refused to listen to anyone's suggestions.
   那个欺凌者总是很狡猾，拒绝听取任何人的建议。
2. 2.The dog was very truculent when it saw the stranger approaching.
   当这只狗看到陌生人接近时，非常狡猾。
3. 3. The scientist was truculent in his presentation, making it difficult for others to understand his findings.
   这位科学家在演示中非常狡猾，使得其他人难以理解他的发现。