road block

基本解釋

Changing people's behaviors remains another road block, the researchers claim.
研究者稱，改變?nèi)藗兊男袪?wèi)是另一大睏難。
If you can practice this, then you’ll always have a backup in case the conversation hits a road block.
如果你能不斷的練習(xí)，那麼儅談話不順利的時(shí)候，你縂能夠接下話題。
Reporters saw a 29-year-old young man named Min, in shorts and with a belt, guarding behind a barbed wire road block.
記者看到一個(gè)29嵗姓閩的年輕人衹穿著短褲紥著皮帶守衛(wèi)在一條鉄絲網(wǎng)設(shè)置的路障後麪。
http://dict.hjenglish.com

The IRS has thrown a significant road block into planning for large 2012 gifts.
FORBES: IRS Position On Wandry Decision Makes 2012 Gifting More Difficult
At that point they felt like a road block when all I really wanted to do was drive.
FORBES: First Drive: Lamborghini Aventador Roadster
Now, however, the city has run up against a federal road block.
ECONOMIST: Urban sprawl

When the police or the army put a roadblock across a road, they stop all the traffic going through, for example because they are looking for a criminal.