2 sentences

1. 经核对，这笔账目准确无误。

   jīng hé​duì, zhè bǐ zhàng​mù zhǔn​què wú​wù.

   Upon verification, these accounts were found to be accurate and error-free.

   Source: Dong Chinese Dictionary

2. 他的判断准确无误，没有毫发之差。

   tā de pàn​duàn zhǔn​què wú​wù, méi​yǒu háo​fà zhī chā.

   His judgment was perfectly accurate, without the slightest error.

   Source: Dong Chinese Dictionary