כִּֽי־חַ֭סְדְּךָ גָּד֣וֹל עָלָ֑י וְהִצַּ֥לְתָּ נַ֝פְשִׁ֗י מִשְּׁא֥וֹל תַּחְתִּיָּֽה׃
因為你向我施行的慈愛極大；你救了我的性命，免於最深的陰間。
Rashi
from the lowest depths of the grave It is customary for adulterers to be put into the depth of the grave, and from there You saved me, for Nathan the prophet said to me (II Sam. 12:13): “Also the Lord has removed your sin.”