Maneuver around obstacles. If possible, expose him to cats, other dogs, children, and traffic. Note if he's calm, shy, or aggressive.

给它点儿障碍看看。如果可能的话，把它丢给猫、或是其他狗、或是小孩、或是丢到马路中间。看看它的反应是冷静、害羞、还是有进攻性。

youdao

Yet driving in complex urban settings with multi-lane traffic, frequent stops and turns and unexpected obstacles is exactly what DARPA hopes that autonomous vehicles will be able to do some day.

然而，在布有多车道交通线的环境复杂的市内中驾驶时，经常性的停车、转弯以及无法预期的障碍，正是DARPA希望有一天自主性车辆有能力去应付的情况。

youdao

When choosing a location for your walking meditation practice, be aware of any possible safety concerns such as tripping hazards, obstacles or traffic.

当你在选择行走默想的地点时，要注意到任何可能的安全隐患，诸如绊倒的危险，障碍物和车流、人流。

youdao

DARPA, after all, is the ultra-forward-thinking Pentagon agency that hosted the Grand Challenge in 2006 and 2007, an autonomous car race across the Mojave desert, as well as the Urban Challenge, a 2008 event that challenged self-driving cars to negotiate a cityscape complete with obstacles and traffic.

FORBES: Connect

It also allows it to tip off users to traffic jams, road construction and other obstacles.

FORBES: A Crowd-Sourced Navigation Service

It has always baffled me that councils feel that they should put obstacles on roads which were created for the specific purpose of conveying traffic.

BBC: NEWS | UK | Scotland | Campaign to end speed bump 'pain'