Translation of "on" into English

Tom je rekao da nije video ništa čudno.

Tom said that he didn't see anything out of the ordinary.

Ako postoji jedna stvar koju nas je istorija naučila, to je da često pogrešno predviđamo budućnost.

If there is one thing history has taught us, it's that we often incorrectly predict the future.

Tom je sam pojeo celu kutiju čokolada.

Tom ate a whole box of chocolates by himself.

Он није научник, али он јесте наш друг.

He's not a scientist, but he is our friend.

Тамо ће и остати, докле год знају да је он жив.

They'll stay outside, as long as they know we're keeping him alive.