at first

at first blush

First catch your hare then cook him

first published in 1984

First fertilizer, then prayer

At first, I was happy here but now I’m not.

First catch your hare then cook it

My first association with this word is the novel of the same title

first aid station

First come, first served.

at first sight

first-class / first rate

First of all, I would like to thank my parents.

first class

first and foremost

First catch your hare!

first crack at

first hand

First love, last love

first things first

at first hand

First, do no harm!

I'm in my first year.

First one thing, then another.

First class single