Examples
wǒ我lǐ suǒ dāng rán理所当然de地rèn wéi认为tā他huì会lǚ xíng履行nuò yán诺言。
我理所当然地认为他会履行诺言。
I took it for granted that he would keep his word.
军人必须履行他们的命令。
Soldiers must carry out their orders.
他履行了他的承诺，并且帮助了他的兄弟。
He kept his promise and helped his brothers.