The phrase "struggle seriously" is correct and usable in written English.
It can be used when discussing the intensity or earnestness of a person's efforts in facing challenges or difficulties.
Example: "Despite the obstacles, she continued to struggle seriously to achieve her goals."
Alternatives: "strive earnestly" or "fight diligently."
To be honest, he looks to be struggling, seriously struggling.
Yet unlike the peculiarly comparable The Iron Lady, in which the politics is never anything more than flibbertigibbet window dressing, Besson's movie does at least appear to take its social struggles seriously.
They have a great chance this weekend – the Australians, whom they meet in Perth this morning UK time, are struggling badly and seriously below strength.
However, the Nook is likely to struggle to seriously challenge Amazon's estimated 60% of the ebook market.
After stunning Liverpool, the Londoners struggled to seriously test Sunderland.
While Falcons piled the pressure on before the interval they struggled to seriously threaten after the break.
The Hoops are still well placed to clinch an automatic promotion spot, sitting three points and two places behind leaders Leicester City but they struggled to seriously test Forest's defence until Carroll's second-half effort.
While the visitors struggled to seriously threaten in the first half, they improved after the break, with Anderson delivering the free-kick for Berra to nod home before then directing a shot into the legs of Grant.
Bath deserved their win, their first in the league since beating Wasps on 10 January, but it was an attritional contest in which both teams struggled to seriously threaten the opposition's try line with any regularity.
Additionally, Werner et al 27 found women struggling to be taken seriously, and struggling to be believed and understood in medical encounters and in social relations, when experiencing chronic but invisible pain.
