2 sentences

1. 毫无疑问，爱因斯坦是一个科学天才。

   háo​wú​yí​wèn, ài​yīn​sī​tǎn shì yī gè kē​xué tiān​cái.

   There is no doubt that Einstein was a scientific genius.

   Source: Dong Chinese Dictionary

2. 毫无疑问，他是这个职位的最佳人选。

   háo​wú​yí​wèn, tā shì zhè​gè zhí​wèi de zuì​jiā rén​xuǎn.

   Without a doubt, he is the best candidate for the position.

   Source: Dong Chinese Dictionary