This accessory is plated using gold-mercury amalgam.

Matsukubo is my best friend.

His eye is twitching.

Every night, as soon as it turns 10 o'clock, I fall asleep.

I run errands for the president every day.

I have to submit the report at the end of the month.

What he did can't be undone.

What he did was an irretrievable mistake.

He tidied up the room quickly.

He likes to take a walk in the park at dusk.