Wǒmen pái le bàn ge xiǎoshí duì cái zuò shàng pèngpèngchē.
We queued for half an hour before getting on the bumper cars.
Tips
memory
碰 means "to bump/collide," reduplicated for the playful, repeated sense — 碰碰车 = the "bump-bump car." The Chinese name describes exactly what you do at the amusement park.
