fiat|fiats

这项法规是根据市长的命令颁布的。

The regulation was enacted by ___fiat of the mayor.

国王颁布了几项法令来维持秩序。

The king issued several ___fiats to maintain order.

国王颁布法令禁止夜间外出。

The king issued a ___fiat forbidding people to go out at night.