我是英语老师,帮帮你. be worth doing 值得某人做某事 be well worth doing 很值得做某事 但是,在具体用法上要注意：句子的主语在逻辑上必须是后面动名词的宾语,也就是说,这个动名词的原形应该是及物动词,或相当于及物动词的词或短语. 例：The book is worth reading.（Reading the book is worth.) This purse is worth looking after.(Looking after this purse is worth.)此句中的after就不能省去.
