あなたが第一印象を示す機会は一度きりだ。の英語

You never get a second chance to make a first impression.

First impressions matter.

First impressions are important.

First impressions are important.

First impressions matter.

First impressions matter.

First impressions are important.

The first impression is most lasting.

at the first glimpse or impression

I never felt this way before I met you.

make a good initial impression

I am glad to make your acquaintance.

Is this your first time?

Yours is a very strange story.

Is that the first time for you to use it?

I am glad to meet you

I am pleased to make your acquaintance.

I held hands with you for the first time.

This is my first visit to him. I think I must take a present (of some sort).

This is their first time to be shown to the public.

I've never seen anyone as beautiful as you.

Is this the first time you've had this symptom?

the state of something that is being experienced for the first time

This is my first experience.

I never had such an experience in all my born days.

I never had such an experience in my life.

You are going to visit that store for the first time.

I felt like I saw that for the first time.

Everything is so new to me!

I am glad to meet you―pleased to know you―delighted to make your acquaintance―（通例は）―How do you do?