临渊羡鱼 lín yuān xiàn yú 渊：深水潭。羡：希望得到。面对着深潭，希望得到鱼。比喻只有愿望和空想而无实际行动，仍不能达到目的。
临川羡鱼 lín chuān xiàn yú 比喻虽有愿望，若无实际行动，也无济于事。
临淵羡鱼 lín yuān xiàn yú 临渊羡鱼，不如退而结网 lín yuān xiàn yú,bùrú tuì ér jié wǎng[It is better to return home and weave net than standing by water and admiring fishes;one should take practical steps to achieve one’s aims; It is hard to catch birds with an empty hand; It is vain to fish without a hook, or read without a book] 比喻空怀壮志,不如实实在在地付诸于行动
临河羡鱼 lín hé xiàn yú 比喻空有愿望﹐而无实际行动。