YOU SAID:
Maths is extremely boring
INTO JAPANESE
数学は非常に退屈です
BACK INTO ENGLISH
math is very boring
INTO JAPANESE
数学はとても退屈です
BACK INTO ENGLISH
math is so boring
INTO JAPANESE
数学はとてもつまらない
BACK INTO ENGLISH
math is so boring
Come on, you can do better than that.