Doryoku wa kanarazu mukuwareru to shinjite, mainichi renshū o tsuzukete imasu.

Believing that effort always pays off, I continue to practice every day.

Mokuhyō o tassei suru tame ni wa, hibi no doryoku ga kakasemasen.

Daily effort is indispensable to achieve your goals.

Kare wa hitoichibai doryoku shita kekka, daiichi kibō no daigaku ni gōkaku shita.

As a result of making twice as much effort as others, he passed his first-choice university.

Donna ni konnan na jōkyō demo, doryoku o okotatte wa ikenai.

No matter how difficult the situation, you must not neglect your efforts.

Kaisha zentai no doryoku ni yori, konki no uriage mokuhyō o tassei suru koto ga dekita.

Thanks to the efforts of the entire company, we were able to achieve this term's sales target.

Kanojo no kore made no doryoku ga, tsuini mi o musunda.

Her efforts up until now have finally borne fruit.