Riwa is my best friend.

Toshikazu is my best friend.

I started studying the conjugation of 'shiku'.

In Buddhism, being born itself is considered one of the four kinds of suffering.

He sent me a letter.

She found a forget-me-not and remembered her old lover.

He is good at expressing his opinions skillfully.

He repeated my words, acting as if they were his own opinion.

He is good at skillfully expressing his own opinions.

It's my habit to make the bed every night before I go to sleep.