37.to put your feet up(尤指架起双脚)歇歇脚, 小憩, 放松
After supper he'd put his feet up and read.晚饭后他会支起双腿, 歇一歇, 看看书。
38.to put your foot down<非正式>(be firm)表现坚定；坚持立场
He was going to go skiing, but his wife put her foot down.他准备去滑雪, 但他的妻子坚决反对。
(accelerate)猛踩油门；加快车速
I asked the driver to put his foot down.我让司机加大油门。