to continue feeling guilty about something for a long time
因某事长期感到内疚 (yīn mǒu shì chángqī gǎndào nèijiù)
"He still carries guilt over how he treated his friend."
"他仍然因自己对待朋友的方式而感到内疚。" (Tā réngrán yīn zìjǐ duìdài péngyǒu de fāngshì ér gǎndào nèijiù.)
to start discussing trade terms formally
to come together to support a leader or cause
to discuss something thoroughly in order to resolve it
to fail to happen or be completed
to return after being away or absent
to admit your true feelings or reality to yourself