peremptory

经理用不容置疑的语气下达了命令，要求大家立即执行。

The manager issued a ___peremptory order that everyone must comply with immediately.

黑云聚集的那一刻，救生员吹响了不容置疑的哨声，命令所有人离开泳池。

The lifeguard blew a ___peremptory blast on his whistle and ordered everyone out of the pool the moment dark clouds gathered.

她用槌子不容置疑地敲了一下，让争吵的委员会安静下来，宣布动议获得通过。

She silenced the bickering committee with a ___peremptory rap of her gavel and declared the motion passed.