very tough and determined
非常坚强和有决心 (feichang jianqiang he you juexin)
"She’s hard as nails when it comes to achieving her goals."
"她在实现目标时非常坚强和有决心。" (ta zai shixian mubiao shi feichang jianqiang he you juexin)
To understand what someone is trying to say.
the ability to imagine and plan the future clearly
to sell very quickly and in large quantities
to feel grateful for good fortune
to prepare energetically for something
to set a limit or boundary