en_tn/pro/26/27.md

Whoever digs a pit will fall into it

It is implied that the person digs the pit as a trap so that someone will fall into it. AT: "Whoever digs a pit to trap someone will fall into it" or "If someone digs a pit in order to trap someone, the one who dug it will fall into it" (See: rc://en/ta/man/translate/figs-explicit)

the stone will roll back on the one who pushed it

It is implied that the person pushed a large stone so that it would roll downhill and crush someone there. AT: "if someone pushed a stone so that it would roll downhill and crush someone, the stone will roll back on him instead" or "if someone maked a stone roll so that it would hurt someone, the stone will crush him instead" (See: rc://en/ta/man/translate/figs-explicit)