YOU SAID:

Allegedly it takes two to tango

INTO JAPANESE

タンゴに2つかかると言われている

BACK INTO ENGLISH

They say it's going to take two tangos.

INTO JAPANESE

タンゴが2つかかるそうだ。

BACK INTO ENGLISH

They're going to take two tangos.

INTO JAPANESE

彼らは2つのタンゴを取るつもりです。

BACK INTO ENGLISH

They're going to take two tangos.