He passed the exam using a crafty trick.

I use a heart rate monitor during my daily exercise.

I use a pulse rate monitor to check my heart rate every day.

I measured yesterday's rainfall using a pluviometer.

We installed a new flowmeter in the factory.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.

I'm Jewish.

She used to be a prostitute, but now she has started a new life.

Will you marry me?