短语词组短语may be can not 可能不能;可不可以be determined not to 决心Be Bizarre Not Boring 即使离奇be sure not 切勿be currently not available 目前未有的To be or not 要还是不要;生存还是毁灭be it not said 你再来劲儿呀Be Motivated Not Afraid 保持冷静be aware not of 意识到 返回 be not