This is the 14354th most frequent Turkish word.
olmayalım
"Olmayalım" means "let's not be" in English.
Here, 'olmayalım' is used to indicate avoiding becoming or experiencing regret in the future.
Fırsatları kaçırmayalım, pişman olmayalım.
Let's not miss opportunities, so we don't regret.
In this sentence, 'olmayalım' suggests avoiding being in a rude state or behavior continuously.
Arkadaşımıza karşı kaba olmayalım, her zaman nazik olalım.
Let's not be rude to our friend, let's always be kind.
The word 'olmayalım' here refers to preventing a situation where we would be causing an accident.