in·grat·i·tude /(ˌ)ɪnˈgrætəˌtud, ˌtjud/
忘恩,不知恩
In·grat·i·tude n. Lack of gratitude; insensibility to, forgetfulness of, or ill return for, kindness or favors received; unthankfulness; ungratefulness.
Ingratitude, thou marble-hearted fiend. --Shak.
Ingratitude is abhorred both by God and man. --L'Estrange.
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ingratitude
n : a lack of gratitude [syn: ungratefulness] [ant: gratitude]