We're living in a new and challenging time, in which technology has made competition easier and fiercer than ever before.

我们生活在一个崭新的、充满挑战的时代，技术使得竞争具有空前的容易性与激烈性。

youdao

The transition from high school and home to college and a new living environment can be a fascinating and interesting time, made all the more challenging and interesting by being at MIT.

从中学和家庭的保护下进到大学和一个崭新的生活环境里，这个转变可说是一段迷人又有趣的时光，而到麻省理工来则又更具挑战性和趣味性。

youdao

Japan has named a new Foreign Minister, Takeaki Matsumoto, at a challenging time for ties with China and Russia.

在与中国、俄罗斯关系紧张之际，日本任命松本刚明为新任外务部大臣。

youdao

Moving up to a new level is rewarding and challenging at the same time.

FORBES: Timing Is Everything

And demand for office space has fallen as the federal government tries to cut back its footprint, pushing up vacancy rates and making this a challenging time to start new buildings.

WSJ: Is It Time for D.C. to Grow Up?