2. (noun) remorse, feeling of compunction (to do something), guilt, regret.
Arā anō tētahi whakamahinga o tēnei kīwaha e whakaatu ana i te ohorere me te pōuri, te kaniawhea rānei o te kaikōrero, i te korenga ōna i mahi i tētahi mahi e tika ana, i te hē rānei o tana mahi (HKK 1999:123). / There are other uses of this idiom to show the speaker's surprise and disappointment, or remorse for not doing something she should have, or for doing a task incorrectly.