Always continue trying despite difficulties.
尽管面临困难，仍然继续努力。 (jin guan mian lin kun nan, reng ran ji xu nu li)
"No matter how hard it is, never give up."
"无论多么困难，永不放弃。" (Wu lun duo me kun nan, yong bu fang qi)
to be firm and tough in negotiation
a subtle and persuasive way of selling without pressure
to respond to information with action
to become very successful or famous
very pleased or delighted
to attack someone's most vulnerable point
