careful的精选

两者区别：becarefulwith表示做某事时很小心、仔细或对某人某物很关心。with后接名词或动名词，becarefulof意思是当心；留意；注意，后接名词、动名词或从句，形容人很细心。becarefulwith造句：You...

careful的比较级是morecareful，最高级是themostcareful。careful的意思是小心；注意；谨慎；细致的；精心的；慎重的。careful用作表语时，其后也可跟动词不定式、that从句。careful和about连用是“...