1. can / could not … too 表示“无论怎样也不过分”。例如: You cannot be too careful when crossing the street. 穿越马路时,再怎么小心也不为过。 You can never be too careful in performing an experiment. 做实验越仔细越好。 2. can / could not be + enough 意为“无论怎么都不够”,表示强烈的肯定。例如: I cannot (共 2149 字) [阅读本文] >>