I was shocked by his cruel actions.

He has fundamental knowledge of mathematics.

His recovery was truly miraculous.

The exam period is very busy.

His jokes often turn out to be many a true word spoken in jest.

He is suffering from the consequences of his own actions. It's truly a case of reaping what one sows.

He was able to find a solution from a difficult situation.

He won the game with a strategy of winning by a surprise move.

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

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