You only get one first impression.

你只有一次机会给别人留下第一印象。

youdao

The damage: You only get one chance to make a first impression.

造成损害: 你永远只有一次机会去打造第一印象。

youdao

However, as the old saying goes: you only get one opportunity to make a good first impression.

然而，正如一句老话：你只能获得一个机会作一个好的第一印象。

youdao