to start sleeping, especially unintentionally
入睡 (rushui)
"He dropped off to sleep while watching TV."
"他在看电视时入睡了。" (ta zai kan dianshi shi rushui le)
to cause an increase or improvement in business or economy
to leave someone or something at a specific place
to show romantic or sexual interest in someone
to finally succeed after difficulties or opposition
to die
to apply what you learned from past experiences