said a mouthful:意为说的不错,完全正确 说到点子上了
看个例子
"If," I said,"I might use the American idiom I would say that he has said a mouthful." 我说,“如果我可以借用美国的成语,那么,我要说他说得恰到好处。”
“What we'd usually say when someone answers is, in fact, "I'd like to place an order for delivery." But if we were describing it to someone else—for example, if someone asked, "Are you going out for dinner?"—we'd likely reply, "No, we're ordering in." (That is, we wouldn't say, "We're placing an order.")” https://forum.wordreference.com/threads/place-an-order-vs-order-something.2718135/