Both the characters Sanskrit have a flat tone, so it is better to use a flat tone in order to change the pronunciation of the surname. The Sanskrit sound is originally the vowel sound of my Buddha. If you want to match it, you should find an explanation. Monks all take Shi as their surname, which indicates that they are disciples of Sakyamuni. The word "shi" means explanation, and the Sanskrit sound is the sound of Dharma. So the meaning is to start performing Dharma sounds