ˌfirm ˈup sth1to make arrangements more final and fixed最后落实；敲定The company has not yet firmed up its plans for expansion.公司的扩大计划尚未最后落实。The precise details still have to be firmed up.准确的细节仍需最后敲定。2to make sth harder or more solid使坚固；使坚硬；使坚实A few weeks of aerobics will firm up that flabby stomach.几个星期的有氧健身运动将使松弛的腹部结实。 |