YOU SAID:

I work at a fish market and I pretty much just clean stuff

INTO JAPANESE

私は魚市場で働いていて、ほとんど掃除だけをしています

BACK INTO ENGLISH

I work at a fish market and mostly just clean.

INTO JAPANESE

私は魚市場で働いており、ほとんどは掃除だけです。

BACK INTO ENGLISH

I work in a fish market and mostly just cleaning.

INTO JAPANESE

私は魚市場で働いており、ほとんどは清掃だけです。

BACK INTO ENGLISH

I work in a fish market and mostly just cleaning.