do not work;won’t do;not feasible;get nowhere;not operative 所建議的辦法是～的。The proposed plan won’t work./他提出的辦法是～的。His suggestion is not workable./照這樣下去，是～的。If we go on like this,we’ll get nowhere./強(qiáng)權(quán)政治越來越～。Power politics is becoming less and less operative.