1·With China's development and prosperity, the demand for Mandarin lessons is on the increase.
随着中国的发展和繁荣，学习汉语的需求也在增加。
2·Mugging is on the increase.
抢劫犯罪呈上升趋势。
—— 《牛津词典》
3·Crime is on the increase.
犯罪活动日益猖獗。
—— 《柯林斯英汉双解大词典》
4·Drink-drive deaths are on the increase again.
酒后驾驶引起的死亡再次上升。
—— 《柯林斯英汉双解大词典》
5·Armed robbery and abduction have been on the increase countrywide.
持械抢劫和诱拐案件已在全国都有所上升。
—— 《柯林斯英汉双解大词典》
6·As the pace of modern life continues to quicken, the pressure seems to be on the increase all the time.
随着现代生活节奏的不断加快，压力似乎一直在增加。
7·China has seen a dramatic decline in rural poverty, but the problem is on the increase in Africa and South Asia.
中国农村贫困人口大幅减少，但非洲和南亚的贫困问题正在加剧。
8·The number of people asking to go there is on the increase.
要求去那儿的人数在增加。
—— 《新英汉大辞典》
9·These cases are on the increase.
这些案件在不断增加。
10·The rate of deaths is on the increase.
日本的死亡率一直在上升。