2 sentences

1. 这本词典具有很高的权威性。

   zhè běn cí​diǎn jù​yǒu hěn gāo de quán​wēi​xìng.

   This dictionary is highly authoritative.

   Source: Dong Chinese Dictionary

2. 任何人都不能挑战法律的权威性。

   rèn​hé rén dōu bù néng tiǎo​zhàn fǎ​lǜ de quán​wēi​xìng.

   No one can challenge the authority of the law.

   Source: Dong Chinese Dictionary