hit and miss

基本解釋

The quality of inquests used to be hit and miss, with local lawyers and doctors serving as coroners.
過(guò)去的調(diào)查質(zhì)量時(shí)好時(shí)壞，以當(dāng)?shù)芈蓭熀歪t(yī)生作為驗(yàn)尸官。
That hit and miss pattern has repeated itself often in the four months the leak has continued, and we’ve put together this FAQ to explain why we don’t post new oil slick images every day.
自原油泄漏開(kāi)始的四個(gè)月來(lái)，像那樣碰運(yùn)氣的模式反復(fù)出現(xiàn)，于是我們歸納整理了這些常見(jiàn)問(wèn)題，來(lái)解釋為什么我們不是每天都上傳浮油的最新圖像。
It is simpleminded, features a lot of hit and miss comic relief, has a romance that lacks spark, and it hits a second act roadblock like many action films do… and yet why is it still exciting?
電影走典型的無(wú)腦型情節(jié)路線，間歇性的插科打諢，缺少火花的浪漫愛(ài)情，還有其它動(dòng)作電影一樣會(huì)遇到的問(wèn)題，動(dòng)作設(shè)計(jì)上的瓶頸，但為什么大家仍然興奮不已呢？

So it's this interesting scenario where it's probably hit or miss, certainly early on and as one of the clips they are indicated, these are the kinds of things where computers ideally have to learn overtime.
因此，這是一個(gè)有意思的事情,因?yàn)樗锌赡苁峭镀渌没蛘卟粚?duì)其胃口，當(dāng)然繼續(xù),正如其中一個(gè)短片所示，這些東西需要計(jì)算機(jī),花一些時(shí)間去學(xué)習(xí)。
哈佛公開(kāi)課 - 計(jì)算機(jī)科學(xué)課程節(jié)選

Mr. TOM MATANO (Academy of Art University): It's almost hit and miss, in a way.
NPR: Auto Watchers Underwhelmed by U.S. Designs
Striking an enemy target was then a hit and miss affair, as indeed it still is, despite claims to the contrary.
ECONOMIST: Thomas Ferebee The