发音一样，都发[ɪ]音。

Running a car is a big expense.养一辆车开销很大。This shirt isn't big enough.这件衬衣不够大。She loved the big old house.她喜爱那座古老的大房子。I've never seen such a pig like you.我从未见过你这样贪婪的人。He just turned six today.他今天刚满六岁。