口惠无实: support shown by words only and not by actions; make a promise and do not keep it; pay lip service; promises given in words but not fulfilled 短语和例子他许的愿可不少, 但都是口惠无实。 he has made a lot of pr
他许的愿可不少但都是口惠无实: he has made a lot of promises but none of them have been carried out