easier said than done

Adjective

comparative-only idiomatic

(idiomatic) Easy to propose, but difficult to accomplish.

Japanese Meaning

口で言うは易し、実際に行うのは難しい。 / 発言は容易でも、実際の行動は困難を伴う。 / 言うのは簡単だが、実際には実現が難しい。

Convincing everyone to switch to a four-day workweek is easier said than done.

全員に週4日制に移行するよう説得するのは口で言うほど簡単ではない。

Sense（1）

(idiomatic) Easy to propose, but difficult to accomplish.

Which is a thing more easily said, than made good in the way of doing.