Sabah derhal orada olacağım.
- I'll be there the first thing in the morning.
Yarın sabah derhal ayrılmalıyım.
- I have to leave first thing tomorrow 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 we want to do is give you a preview of some ...
... And then like what's the first thing that you do? ...