It’s a bummer.
bummer令人不愉快/失望的人、事、经历
1. Getting stranded at the airport was a real bummer.被滞留在机场真的是很恶心。
2. It’s a bummer that my best friend can’t make it to my wedding.我最...
by the book 完全按照规章制度办事,按照规定,照章办事
go by the book 依章办事
play by the book按规定来
do something by the book按规定做某事
run something by the book 按规定管理、运营
The manager do...