台風一過で気分一新

The clear sky after the storm. I can't help feeling fresh and new.

the clear sky after the storm

（台風一過という言葉はない）

feel fresh and new

（気分一新という言葉はない）

can't help ...ing

（...せずにはいられない・つい...してしまう）

October has just started..

and also, the emergency has lifted

and also, New textbook...