2 sentences

1. 目前关于他辞职的种种说法，大多还仅仅是主观推测。

   mù​qián guān​yú tā cí​zhí de zhǒng​zhǒng shuō​fa, dà​duō hái jǐn​jǐn shì zhǔ​guān tuī​cè.

   Most current talk about his resignation is still just subjective speculation.

   Source: Dong Chinese Dictionary

2. 专家根据现有的线索推测，事故发生的原因可能是机械故障。

   zhuān​jiā gēn​jù xiàn​yǒu de xiàn​suǒ tuī​cè, shì​gù fā​shēng de yuán​yīn kě​néng shì jī​xiè gù​zhàng.

   Based on existing clues, experts speculate that the cause of the accident might be a mechanical failure.

   Source: Dong Chinese Dictionary