gumption
noun [ U ] informal uk/ˈɡʌmp.ʃən/ us/ˈɡʌmp.ʃən/
精明强干;魄力;勇气;进取心
the ability to decide what is the best thing to do in a particular situation, and to do it with energy and determination
She had the gumption to write directly to the company manager and persuade him to give her a job. 她很有勇气，竟然直接给公司经理写信，想说服他给她一份工作。
Compare: horse sense common sense