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colleague
In a sentence
To je môj kolega.
This is my colleague.
Kolega mi pomohol dokončiť správu pred termínom.
A colleague helped me finish the report before the deadline.
S kolegami ideme po práci na kávu.
After work we are going for coffee with colleagues.
Nový kolega sa rýchlo zžil s tímom.
The new colleague quickly settled into the team.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Includes Tatoeba example sentences when present.
Full attribution on References.