ただたん

[mdchachi]

Deepl translates
ただたんのリハーサルだったので、今日は本気に演奏します。
to
It was just a rehearsal for Tan, so today we will play for real.

so I guess something's wrong. What is it? Should the の be に?
It seems to like that better.
It was just a rehearsal, so today we will play for real.

 

[Mikawa Ossan]

Out of curiosity, I put ただたんの in Google Translate, and it gave "just a simple" as a translation.

Google Translate

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translate.google.com

Perhaps Deepl would prefer ただ単の ?

 

[SomeCallMeChris]

I think that 単の (and by extension ただ単の) is an unusual expression. 単に and ただ単に are regularly used. That's an adverbial form, so you won't use it with a noun sentence, but here you can easily make it into a verb sentence with リハーサルをした

ただ単にリハーサルをしたので、今日は本気に演奏します

or you can keep your original structure and just go with ただのリハーサル

ただのリハーサルだったので、今日は本気に演奏します

 

[Toritoribe]

The reason/cause precedes ので and the result follows it, so that Japanese sentence sounds awkward (understandable enough, though). Also, it's necessary to make more clear that the rehearsal was done before.

前回はただ単に/単に/ただのリハーサルだったので手を抜いていましたが、今日は本気で演奏します。
前回はただ単に/単に/ただのリハーサルでしたが、今日は本気で演奏します。