informal <非正式>
mass noun
- energy and high spirits; liveliness精力, 劲头, 活力：
he was an enthusiastic player, full of pep and fight.
他是一个充满热情的运动员, 精力充沛, 斗志顽强。
pepped, pepping
with obj.(pep someone/thing up) add liveliness or vigour to someone or something使（人, 物）充满活力, 使精力充沛; 激励：measures to pep up the economy.
振兴经济的措施。
词源
early 20th cent.: abbreviation of PEPPER.