Subject + 肯定 + Object
肯定 (kěndìng) can function as a verb meaning 'to affirm' or 'to acknowledge,' or as an adjective or adverb meaning 'definite' or 'certainly.' As a verb, it is used to express recognition or approval of something, such as someone's achievements or contributions.
老师肯定了他这学期的进步。
lǎoshī kěndìng le tā zhè xuéqī de jìnbù.
The teacher affirmed his progress this semester.
领导在会上肯定了团队的工作成果。
lǐngdǎo zài huì shàng kěndìng le tuánduì de gōngzuò chéngguǒ.
The leader affirmed the team's work achievements at the meeting.
她的努力终于得到了大家的肯定。
tā de nǔlì zhōngyú dédào le dàjiā de kěndìng.
Her efforts were finally recognized by everyone.