Meaning of 物を言う in Japanese

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Definition of 物を言う

ものをいう(monowoiu) 【物を言う ·ものを言う】

(exp, v5u) to speak (of something)
目が口よりものを言う時がある。
Eyes sometimes talk louder than words.
to be effective; to be powerful; to mean everything

めはくちほどにものをいう(mehakuchihodonimonowoiu) 【目は口ほどに物を言う ·目は口程に物を言う】

(exp, v5u) one can say more with a look than with ten thousand words; the eyes cannot belie one's true thoughts; the eyes are the windows to the soul; Eyes are as eloquent as the tongue →Related words: 物を言う

かねがものをいう(kanegamonowoiu) 【金が物を言う ·金がものを言う】

目めは口くちほどに物ものを言う。

The eyes are as eloquent as the tongue.

相手あいてを見て物ものを言うがよい。

Is that the way you talk to me?

結局のところけっきょくのところ音楽おんがくで物ものを言うのは才能さいのうだ。

After all, it is talent that counts in music.

こういう場合ばあいには経験けいけんが物ものを言う。

Experience talks in these cases.