1. (常與 best，worst 等形容詞最高級連用)可想象的,想得到的 You use imaginable after a superlative such as 'best' or 'worst' to emphasize that something is extreme in some way.
e.g. ...their imprisonment under some of the most horrible circumstances imaginable... 他們被關(guān)押在可以想象出的最恐怖的環(huán)境中 e.g. He could not disguise that he had had the worst imaginable day for any minister. 他剛剛經(jīng)歷了對于任何部長(cháng)而言都是最糟糕的一天，這對他來(lái)說(shuō)無(wú)法掩飾。
2. (用于 every，all 之后，表示強調)(一切)可能存在的,(一切)可能發(fā)生的;(用于 no 以后)根本 You use imaginable after a word like 'every' or 'all' to emphasize that you are talking about all the possible examples of something. You use imaginable after 'no' to emphasize that something does not have the quality mentioned.
e.g. ...all of the other imaginable ramifications of this technology... 這項技術(shù)可能產(chǎn)生的其他一切后果 e.g. Parents encourage every activity imaginable. 父母鼓勵孩子參與一切可能的活動(dòng)。