多如牛毛的

numberless as happy as a sand boy head in the sand plough the sand built on the sand ramming of the sand as changeable as the moon as silent as the grave as free as the air as plain as the day as free as the wind as old as the hills as the crow flies the same as as the proverb says as the larvae grow as the matter stands silent as the grave the mixture as before as the case stands as the proverb runs