The separation from him was very painful.

He always acts conspicuously, so the proverb 'The nail that sticks out gets hammered down' fits him perfectly.

Kugimiya is my best friend.

This building is equipped with an impermeable wall, preventing water intrusion.

He always acts conspicuously, which reminds me of the proverb, 'The nail that sticks out gets hammered down.'

He tried to save a little only to lose a lot, like picking up nails from the ruins.

He did a somersault in the park.