Sabah derhal orada olacağım.
- I'll be there the first thing in the morning.
Sabahleyin derhal seni arayacağım.
- I'll call you first thing in the morning.
Sabah hemen orada olacağım.
- I'll be there the first thing in the morning.
I would help you, but I don't know the first thing about gardening.
I'll meet you first thing at the station.
... The first thing he said was he hated the internet. ...
... First thing, we transform the big data into some model ...