be careful 怎么读
be careful;读音:英 [bi: 'keəfl] 美 [bi: 'keəfl] ;解释:当心, 注意;列句:; 1.Be careful about what you say.;对你所说的话要小心。; 2.You should be careful when making a promise.;你应当谨慎做出承诺。; 3.Be careful!;一定要小心!; 4.Be careful crossing the road.;过马路要当心。; 5.Be careful of...