•表示上升趋势：an increase增加, a rise提高, a climb爬升, a jump上升, a growth增长; to increase增加, to rise提高, to climb爬升, to jump上升, to grow增长, to reach升至, to go up上升。表示下降趋势：a fall下降, a drop跌落, a decline下跌, a decrease减少; to fall下降, to drop跌落, to decline下跌, a decrease减少, to go down下降, to bottom out降至最低点, to slow down减速, to decelerate减速。Percent的中文意思是：百分之…，如果你怕麻烦，还可以简化成%，这个单词还可以分开来写成：per cent，例如：16%的男生有心理问题。 16% of the boys have mental problems. 16 percent of the boys have mental p。
