Come rain or shine, I'm at my Starbucks by 7:15. 見於《The Intern》01:50
【Come rain or shine】
1. regardless of the weather.
2. no matter what the circumstances may be:
Come rain or shine, he is always on the job.
【at】
used to indicate presence or location:
at home;
at hand.
【by】
1. not later than
2. at
3. before:
I usually finish work by five o'clock.