presumptuous
adj. 专横的；放肆的；冒昧的
例句
It would be presumptuous to judge what the outcome will be.
断定结果将会如何未免冒失。
《柯林斯英汉双解大词典》
It is too presumptuous of him to do so.
他这样做太放肆了。
《新英汉大辞典》
One should never be presumptuous and opinionated.
切不可自以为是。
