Watashi wa kare no seikou o kokoro kara shinjite imasu.

I believe in his success from the bottom of my heart.

Sono nyuusu wa, niwaka ni wa shinjigatai mono datta.

That news was hard to believe all at once.

Konnan na joukyou demo, jibun o shinjite susumu koto ga taisetsu desu.

Even in difficult situations, it is important to believe in yourself and move forward.

Naganen no yuujin o shinjite, subete o uchiakeru koto ni shita.

I decided to trust my long-time friend and reveal everything.

Konkyo no nai uwasa o kantan ni shinjiru beki dewa nai.

You should not easily believe groundless rumors.

Doryoku wa kanarazu mukuwareru to shinjite, mainichi renshuu ni hagende imasu.

Believing that effort will surely pay off, I strive in my practice every day.