军队必须将权力交还给合法政府。

The army must give power back to the ___legitimate government.

毕竟，拉尔夫拥有象征合法权力的海螺，并且是通过民主选举的。

After all, Ralph has the conch, which symbolizes ___legitimate power, and has been democratically elected.

这次抗议被认为是合法的，因为它符合所有法律要求。

The protest was considered ___legitimate as it complied with all legal requirements.