反式脂肪 (fan3shi4 zhi1fang2)
trans fat
Trans fat, also known as trans fatty acid, is made through the chemical process of hydrogenation of oils. It has been making headlines as consumers become aware that the artery-clogging fat is lurking in many food products, including fried fast food.

醋溜族 (cu4liu1zu2)
trendy clan
A group of metropolitan youth is happily caught in the dilemma of following trend and freeing themselves from restrictions. They like brassy appearances but hate neat dressing; like making money but love spending beyond their means; and long for romance but dread responsibilities. The phrase comes from a cartoon series by a Taiwan artist.

蹦迪 (beng4di2)
disco dancing
Dancing discos in nightclubs or bars is a popular entertainment among young people who want to get some exercise and find a way of catharsis. But many nightclubs are often involved in complaints by nearby residents for the noise created by them, such as loud music and blaring car horns.

绿标 (lu4biao1)
green sticker, emission decal
The city government has recently issued a green sticker to every car that meets the emission standards and banned the rest from using the elevated roads during the day time. The new rule, however, has unintentionally helped spawn a fly-by-night business of selling fakes to those whose vehicle has slim chance of passing an emission test.

吃豆腐 (chi1dou4fu0)
take advantage of, come on to
Eating tofu, as this Chinese phrase literally means, is not just common at dinner tables, but also very popular in daily conversations among locals. But in conservations, this phrase usually means a man takes advantage of or comes on to a woman. It may also be used among people of the same sex, when one bullies another verbally or even physically.

循环课本 (xun2huan2 ke4ben3)
used textbook
The Chinese term, “recycled textbook,” actually means used books as you see in many US colleges. Some Shanghai schools have begun to promote used books to save resources.