en_tn_condensed/mat/26/65.md

the high priest tore his clothes

Tearing clothing was a sign of anger and sadness. (See: rc://en/ta/man/translate/translate-symaction)

He has spoken blasphemy

By calling this blasphemy, it is implied that the high priest understood that Jesus was claiming to be equal with God. (See: rc://en/ta/man/translate/figs-explicit)

Why do we still need witnesses?

The high priest uses this question to emphasize that he and the members of the council do not need to hear from any more witnesses. AT: "We do not need to hear from any more witnesses!" (See: rc://en/ta/man/translate/figs-rquestion)

now you have heard

Here "you" is plural and refers to the members of the council. (See: rc://en/ta/man/translate/figs-you)