The phrase "a big bit of" is correct and usable in written English.
It can be used to emphasize a significant amount or portion of something, often in informal contexts.
Example: "I have a big bit of information that could change the outcome of the project."
Alternatives: "a large amount of" or "a considerable portion of".
There is a big bit of me being revealed in the portraits, too.
"It's a big bit of our history", pleaded Virgin, as Twitter went WTF? True, but that was before you became a bank.
The diamond, described by unimpressed observers as looking like "a big bit of very light barley sugar", then made another secret journey to Amsterdam, where diamond experts the Asscher Brothers would cut it into nine major stones.
He has an enigmatic nickname, which he explained was given to him at age 12 by a friend who thought Johnston's long, curly hair — he is one-quarter Jamaican, he said — looked like "a big bit of beef".
One of my mates just said one day 'It looks like a big bit of beef' and it just stuck" The affable Johnston, winner of the Spanish Open in May, is a developing something of a cult following.
Dr Simon Lewis, from the University of Leeds and University College London, said: "Most of the focus has been on the Amazon and on South East Asian tropical rainforests, and a big bit of the missing picture is what is going on the Congo Basin in Central Africa.
We do it better than other primates because we have a bigger bit of the brain that handles that".
One of these days, a bigger bit of cosmic debris will make it to the ground intact.
It's well built, but its shaping is pretty much just a basic dark rectangle, and its mounting feet (if you're not wall hanging it) sit quite wide under the set, meaning you're going to need a seriously big bit of furniture to sit it on.
If the land sells for less still, London's finances will be left with a hole.Finally, two big bits of planning have yet to be put in place: a detailed vision of how the park will be used after the games, and overall security guidelines.
They're both big bits of kit.
