a tall order

基本解釋

I know it sounds like a tall order, but remember; this is your quality of life we are talking about.
我知道這聽起來好像遙不可及，但是請記?。哼@就是我們在討論的生命特質(zhì)。
It’s a tall order, and at the moment Vietnam is seen as a production base for lower value-added goods like textiles, furniture or footwear.
他的這一想法未免太過苛求。當前，越南主要被視為低附加值商品如紡織產(chǎn)品、家具、鞋襪等的生產(chǎn)地。
Undoubtedly, this is a tall order – but I see this as the real challenge we need to confront and overcome.
毫無疑問，這是個很高的要求，但我認為，它是我們需要面對和戰(zhàn)勝的真正挑戰(zhàn)。

General McChrystal comes to Afghanistan with a tall order from President Barack Obama.
It's a very tall order that he claims for himself.
他自稱的角色是極端苛求的。
耶魯公開課 - 政治哲學導論課程節(jié)選

Now, the economy has to cooperate as well, and that seems a tall order.
FORBES: Search & Rescue
Answering them is a tall order, something that I will tackle in future columns.
FORBES: "Cloud Don'ts": Advice to Avoid Wasted Investment