凭恃

zhè lǐ píng shì tiān xiǎn chéng wéi bīng jiā bì zhēng zhī dì

这里凭恃天险成为兵家必争之地。

This place is often the points of battles relying on natural barriers for defence.

dà xíng gōng sī kě yǐ píng shì wēi xié chè chū shěn jì shì chǎng lái jué dìng jiān guǎn xíng tài wǒ men duì cǐ gǎn dào bù ān

大型公司可以凭恃威胁撤出审计市场来决定监管形态，我们对此感到不安。

We are not comfortable with a position where large firms could determine the shape of regulation by threatening to withdraw from the audit market.