The phrase "as difficulties mount" is correct and usable in written English.
It can be used to describe a situation where challenges or problems are increasing over time.
Example: "As difficulties mount, we must find innovative solutions to overcome the obstacles we face."
Alternatives: "as challenges increase" or "as problems escalate".
For all the talk of democracy, the army is growing more autocratic as its difficulties mount: it lifted martial law on March 31st, but replaced it with a decree that grants the coup-maker turned prime minister, Prayuth Chan-ocha, even greater power.
Without this personal connection to the basic science, "I don't think [translational researchers] are going to be as devoted" to research when difficulties mount.
As its difficulties mounted over the past decade, La Salle tried to boost enrollment.
Things went well at first, with Rommel winning the Battle of Mersa Matruh, but just as Kesselring had warned, the logistical difficulties mounted and the result was the disastrous First Battle of El Alamein, Battle of Alam el Halfa and Second Battle of El Alamein.
Leaning forward, as if he wanted to be sure I was paying attention, he recalled something that the engineer on the project, Ove Arup, had said to encourage him as difficulties began to mount.
When families take on additional caregiving responsibilities without additional income, financial difficulties also mount.
These "character negatives" have ample opportunity to flourish as difficulties, noise and disruption mount, but Proulx's imperious and frequently impractical demands are redeemed by a dry sense of her own shortcomings.
But recently, even as his legal difficulties have mounted, his political fortunes have improved.By April 6th the prime minister, who denies any wrongdoing, will have gone on trial (or been put back on trial) three times.
But there is little awaiting the migrants once they reach Greece's shores, a problem that has only accelerated as the economic difficulties have mounted in recent months.
