Questions & Answers about Ой, кран снова течёт.
Ой is an interjection, like oh!, oops!, or uh-oh! in English.
In this sentence, it shows an emotional reaction: annoyance, surprise, or concern because the tap is leaking again.
A few rough English equivalents depending on tone:
- Oh no, the tap is leaking again.
- Oops, the tap is leaking again.
- Uh-oh, the tap is leaking again.
It is very common in everyday speech.
Because ой is an interjection, and in Russian interjections are often separated by a comma from the rest of the sentence.
So:
- Ой, кран снова течёт.
This is similar to English punctuation in something like:
- Oh, the tap is leaking again.
In fast, informal writing, punctuation may sometimes be looser, but the comma here is standard.