三年五载

Explanation: Wednesday, Friday: that about quantity; _set_: years. That for many years. 　　Usage: Joint type; as predicate, adverbial; for a very long time 　　Source: Yuan Yang Wenkui "happy children" Second off: "also notes Anzhe three to five years to see bad step, and even gold ring money, secret hidden underground." 　　Examples: Ma Feng, "the words beginning Luliang Heroes": "To introduce them one by one, I am afraid ~ would not be enough." Thesaurus:  from six months o a year (said of a relatively short time) Antonym Group:  constantly, minutely