He accepted the task assigned by his leader, calm and unhurried.

他从容不迫地接受了领导交代的任务。

I also found it much more calm and unhurried, even though the process went pretty swiftly.

我还发现，前者会给人一种更平静和从容的感觉，而实际的进展又非常之快。

I also found it much more calm and unhurried , even though the process went pretty swiftly.

我还发现，前者会给人一种更平静和从容的感觉，而实际的进展又非常之快。