他成心想让我难堪。
tā chéng xīnxiǎng ràng wǒ nánkān 。
He intentionally wants to embarrass me.
她的行为成心挑衅。
tāde xíngwéi chéngxīn tiǎoxìn 。
Her actions are deliberately provocative.
你成心不告诉我这件事吗?
nǐ chéngxīn bù gàosù wǒ zhè jiàn shì ma ?
Did you purposefully not tell me about this?