en_tn/gen/49/06.md

O my soul ... my heart

Jacob uses the words "soul" and "heart" to refer to himself and is saying that other people,and perhaps God also, honor him so much that he does not wish to join with those who make plans to do evil. (See: rc://en/ta/man/jit/figs-synecdoche)

they hamstrung oxen

This refers to Simeon and Levi crippling oxen just for fun.

hamstrung

This refers to cutting the sinews of an animal's leg so that it cannot walk.