Which preposition to use with arduous

in Occurrences 6%

The picnic enterprise has turned out to be one of the most arduous in our experience.

for Occurrences 6%

Between these two comes what Froebel called the Transition or Connecting Class, in which the child learns the meaning of the signs which stand for speech, and those which make calculation less arduous for weak memories.

than Occurrences 4%

" It crossed his mind that there might be something less arduous than this shovelling in the wet thaw or picking at frozen gravel in the hot sun.

of Occurrences 3%

Any idle girl with good looks, and any idle gentleman with something of a good carriage, deem themselves qualified for one of the most arduous of the arts.

to Occurrences 1%

Splendidly maidenly it should be, harrowingly arduous to the proud invader, and long drawn out.

at Occurrences 1%

We need say nothing of the voyage across the Atlantic, somewhat arduous at that period, nor need we pick up Will again till we find him in Richmond, with his horses all safe, and as fat and sleek as if they had been fed by Neptune's wife, and had drawn her across in place of her own steeds.

during Occurrences 1%

My labors had been very arduous during the entire year, but had been well sustained until the latter part of the winter, when my health failed, resulting doubtless rather from exposure than labor.

as Occurrences 1%

It was evident that the leisure, or perhaps even the undivided attention and labour of no one man, could have sufficed for prosecuting researches so extensive and arduous as those he had marked out for himself.

Which preposition to use with  arduous