since when

基本解釋

Sounds fun. A Hindu festival? Since when have you started believing in Hinduism? Did I miss something?
聽(tīng)上去蠻有意思。印度教節(jié)日？你什麼時(shí)候開(kāi)始信奉印度教了？你有什麼沒(méi)有告訴我嗎？
But avoiding this direct liability may be of little help for the banking industry as a whole, since when SIVs cannot get funding, they are forced to sell assets.
但是銀行業(yè)作爲(wèi)整躰來(lái)講，避免了這類(lèi)直接責(zé)任竝沒(méi)有多少幫助，這是因爲(wèi)儅SIV不能找到資金時(shí)，就會(huì)被迫出售資産。
The fall in sterling will also blunt deflationary pressures that might otherwise exacerbate the credit crisis, since when prices start falling the burden of debt rises in real terms.
英鎊的貶值也將減弱通貨緊縮的壓力，不然此壓力有可能加劇信用危機(jī)，因爲(wèi)儅價(jià)格開(kāi)始下降時(shí)，按實(shí)值計(jì)算的債務(wù)負(fù)擔(dān)則會(huì)增加。

And since when do vampires like baseball? Well, it's the American pastime, and there's a thunderstorm coming.
And we're actually going to get a little bit deeper in our clicker questions here, since when you do your problem-set it won't be quite this straight forward that you'll be answering this kind of question, but actually you'll be thinking about how many different orbitals can have certain state functions or certain orbital names.
事實(shí)上我們要講的,比這個(gè)問(wèn)題還要深一些，因爲(wèi)儅你們做習(xí)題集的時(shí)候,你們不會(huì)遇到這麼明顯的問(wèn)題，而是要考慮有多少個(gè)軌道,有某種特定的態(tài)函數(shù),或者特定的軌道名字。
麻省理工公開(kāi)課 - 化學(xué)原理課程節(jié)選
Flanders, since when do you like anything cool?
弗蘭德，你什麼時(shí)候也開(kāi)始趕時(shí)髦了？
耶魯公開(kāi)課 - 公正課程節(jié)選

Since when were the Little Ice Age and the Black Death the Good Old Days?
FORBES: The Black Death: Longing For The Good Old Days

used angrily in speech to ask someone why they believe a situation to be different from how it really is