YOU SAID:

This maths lesson is really boring although we are marking stuff

INTO JAPANESE

私たちはものをマークしていますが、この数学のレッスンは本当に退屈です

BACK INTO ENGLISH

We're marking things, but this math lesson is really boring

INTO JAPANESE

私たちは物事をマークしていますが、この数学のレッスンは本当に退屈です

BACK INTO ENGLISH

We're marking things, but this math lesson is really boring