He couldn't walk because the sole of his foot hurt.

He sang the song in falsetto.

Can you teach me the trick of this game?

He strongly supported the imperial reverence theory.

This forest is so dense that it's hard to move forward.

He is deeply interested in pragmatics, especially in Goyouron.

He surprised his opponent in the tennis match by using a backhand stroke.

He burped after the meal.

The baby burped after drinking milk.

I vaguely remember his name, I can't fully recall it.