山々(やまやま)

登山(とざん)好(す)きの父(ちち)は山々(やまやま)を歩(ある)いています。

My mountain-loving father is walking through many mountains. {(many) mountains, very much (esp. wanting to do something one cannot), greatly, really}

山頂(さんちょう)で大声(おおごえ)を出(だ)したら山々(やまやま)にこだましました。

When I shouted loudly at the mountain top, it echoed greatly throughout the mountains. {(many) mountains, very much (esp. wanting to do something one cannot), greatly, really}

親不孝(おやふこう)の息子(むすこ)には、言(い)いたいことが山々(やまやま)あります。

I have mountains of things I want to say to my ungrateful son. {(many) mountains, very much (esp. wanting to do something one cannot), greatly, really}

海外(かいがい)に行(い)きたいのは山々(やまやま)だが、仕事(しごと)が全然(ぜんぜん)休(やす)めないのだ。

I greatly want to go abroad, but I can't take any time off work at all. {(many) mountains, very much (esp. wanting to do something one cannot), greatly, really}

工場(こうじょう)：「一(いち)日(にち)に生産(せいさん)できる数(かず)は二(に)万(まん)個(こ)が山々(やまやま)で、それ以上(いじょう)は不可能(ふかのう)です。」

Factory: "We can produce up to twenty thousand units per day at most, any more than that is impossible." {(many) mountains, very much (esp. wanting to do something one cannot), greatly, really}