to fulfill one's responsibilities or obligations
履行自己的责任 (lǚxíng zìjǐ de zérèn)
"Every citizen should do their duty to help their country."
"每个公民都应该履行自己的责任来帮助自己的国家。" (měi gè gōngmín dōu yīnggāi **lǚxíng zìjǐ de zérèn** lái bāngzhù zìjǐ de guójiā)
to lose one’s temper completely
a sharp increase in growth after a period of slow progress
to acknowledge someone's contribution or effort
to establish a unique place or role for oneself
to fail to do what one promised
to stop fighting and become friends again