The phrase "at most occasionally" is correct and usable in written English.
It can be used to indicate that something happens no more than a few times or infrequently.
Example: "He visits his hometown at most occasionally, usually only during the holidays."
Alternatives: "rarely" or "seldom".
However, it does show that, for a selected class taught by those surveyed, those teachers who have pupils use ICT for class projects in all or nearly all lessons work 4.6 hours less per week than those who, at most, occasionally adopt this approach.
What I mean to say is: if you were to lead a live cow up to my father, he'd take two turns around it, three at most, occasionally sticking his hand up under the animal's foreleg — just for show — and confidently report its gross weight and the quantity of meat on its bones, always to within a kilo of what might register on the digital scale used in England's largest cattle slaughterhouse.
Although women remained in the hospital for 48 hr after delivery at most centers, discharge was occasionally earlier.
That was the decade in which Churchill and Roosevelt defended the free world, combined British and American talent to develop the nuclear bomb, and arranged the burden-passing that Macmillan later described as Britain becoming Greece to America's Rome ("We can at most aspire to civilize and occasionally to influence them").
The set, coordinated by scenic designer Brendan Boston, can be described as minimalist at most, with a backdrop that occasionally lights up, old rumpus room-style chairs and carpets, and magazines and comics.
This additional DNA is often only a single or at most a few bases, but occasionally can be as large as a 2 kb insert.
The ISIH at 20 dB SL (sensation level; Fig. 2B) has a single small peak, reflecting that the many presentations elicit at most one spike and only occasionally two.
And even Julie is occasionally portrayed without any features or, at most, with four dots representing her eyes, nose and mouth.
Most musical acts are walk-by acts, and while it happens occasionally, most passers-by won't stay for more than a song or two at most.
In one group of hylid frogs, for instance, genomic regions that are tightly linked to the sex-determining locus are not substantially diverged between males and females, indicating that the sex chromosomes of these frogs recombine, at least occasionally, over most of their length (Stöck et al. 2011).
