YOU SAID:

The taller they are, the harder they fall.

INTO JAPANESE

背が高いほど、倒れにくくなります。

BACK INTO ENGLISH

The taller you are, the more difficult it is to fall.

INTO JAPANESE

背が高いほど、転倒するのは難しくなります。

BACK INTO ENGLISH

The taller you are, the more difficult it is to fall.