1、carefully的读音：英[ke?f?l?]美[?k?rf?l?]

2、adv.小心; 仔细地; 诚惶诚恐地; 颇有分寸地;

3、[例句]If you drive carefully you can get better mileage from your car.你只要小心开车，你的车就能多跑很多里程。