The phrase "a more challenging time" is correct and usable in written English.
You can use it when discussing a period or situation that is more difficult or demanding than usual.
Example: "This year has been a more challenging time for our team as we navigate through various obstacles."
Alternatives: "a tougher period" or "a more difficult phase."
It would be hard to imagine a more challenging time to do that.
Hunter said that largely because of social media, he had a more challenging time keeping the players together during these negotiations.
Jason Alford, 20, who grew up in the Bronx before settling in Waterbury, Conn., had a more challenging time at first with his Afghan counterparts.
It is hard to imagine a more challenging time for the candidates than the period from Dec. 26 through the Iowa caucuses on Jan . 3
"I can't imagine a more challenging time to come in as attorney general," said Walter Dellinger, a legal scholar who was an acting solicitor general in the Clinton administration.
And so for sellers who have a more challenging time doing that we make recommendations in fulfillment.
Doctors dependent on tummy tucks for revenue streams had an even more challenging time, the number of procedures having declined by 18percentt during the same period.
Hence, although in this paper we focus our discussion on the conflicting (and hence more challenging) time orientations of the majority of our participants with respect to our own fieldwork objectives and time schedules, it is important to note here also that there existed some diversity among our participants in this regard along the lines of gender, age, social class and occupation.
"These are much more challenging times, but they are also a lot more interesting".
That is the case in great times and in more challenging times.
"And you have to stay disciplined and stick with your plan, not only in good times but in more challenging times as well".
