Q: partisan とはどういう意味ですか?
A: Partisan means when something is relating to a political party’s beliefs
For example: the decision was made by the partisan members of congress. Partisan people do not have open view points.
Q: partisan とはどういう意味ですか?
A: Partisan usually means “of one party”, and usually negative.

If something is a partisan issue, it means you can say that people who support Party A probably have one opinion and people who support party B probably have a different opinion. We use this word when the underlying issue is not really being debated. When it says “mask wearing becomes partisan” it means that people refuse to wear one to show that they are Republicans.

People sometimes say “nonpartisan” for something that should be politically neutral (like the civil service) or “bipartisan” (especially in America where there are really only two parties).


Q: partisan を使った例文を教えて下さい。
A: If you mean partisan as in the political term, the only examples I can think of are "there has been much partisan dealignment in the UK" or "*so and so* has happened due to partisan dealignment". Not sure if that's what you mean or if it's helpful but there you are.


Q: "One of the very first partisans killed by the nazis on 20th July, 1938." この表現は自然ですか?
A: "One of the very first partisans was killed by the nazis on 20th July, 1938."

Any time a verb becomes an adjective with “-ed”, the verb “to be” comes before it, ie “is killed” or “was killed”