like going to a treasure-trove and coming away empty handed—fail to make use of what is available to one ❍ 放着这样一注大财不会发，岂不是 ‘～’？ (《儒林外史》 171) You’ve a prize in your hands,yet you don’t know how to use it! Isn’t that like going to a treasure-trove and coming away empty-handed?