那位主管专横地拒绝了所有改进建议，根本不在乎员工的意见。

The supervisor ___high-handedly rejected all suggestions for improvement, showing no regard for the employees' opinions.

经理专横地拒绝了员工的合理要求，引发了不满。

The manager's ___high-handed refusal of reasonable employee requests caused discontent.