He is easily discouraged by difficulties and obstacles.

他遇到困难和障碍很容易气馁。

《新英汉大辞典》

To make matters worse, these schools are ill-equipped to graduate these students—young adults who face specific challenges and obstacles.

更糟糕的是，这些学校没有能力让这些学生毕业，而这些年轻人面临着特定的挑战和阻碍。

youdao

Try to look at all the stop signs, and obstacles in your life as positives.

尝试以积极的态度看待你生活中出现的各种“停下来”的信号和挫折。

youdao

President Obama says despite years of obstacles and mistrust, the Israeli and Palestinian leaders must find a way to move the stalled peace process forward.

VOA: standard.2009.09.22

And what are some of the obstacles to sustain high growth? Some questions are... we are going to look at today.

又有哪些因素可能阻碍其经济的,高速增长？今天我们会。,讨论相关的问题。

普林斯顿公开课 - 国际座谈会课程节选

I think one of the biggest obstacles for Korean students in English is articles "a", "an" and "the".

我认为在英语方面对韩国学生来说最大的一个障碍就是冠词"a", "an" 和 "the"。

韩国人经常犯的失误 - SpeakingMax英语口语达人

In 2005, robots merely had to follow a track and negotiate gates and obstacles.

FORBES: Magazine Article

It felt American, and despite all of our problems and obstacles, that felt pretty good.

FORBES: Who Won The Third Presidential Debate? The Giants

For the first 20 years, there were some difficulties and obstacles in our bilateral relations.

WHITEHOUSE: The White House