know

for certain, full well, perfectly well, very well

She knows perfectly well that she should exercise more, but she keeps making excuses.

honestly not

I honestly don't know if we're still meeting tomorrow or next week.

let sb

If you find out anything useful, please let me know as soon as possible.

about

She doesn't know much about fixing cars, so she took it to a mechanic.

of

Have you heard of any good restaurants in the city center?

be widely known

It is widely known that regular exercise helps improve both physical and mental health.

exactly, precisely

She didn't know exactly what time the meeting would start tomorrow.

instinctively

She instinctively knew something was wrong the moment he walked through the door.

well

She knows her neighbors quite well after living on the same street for five years.

hardly

I hardly know my new neighbor since we just moved in last month.

get to

I didn't like him at first, but I got to know him better over time.

be known to sb

The local restaurant is known to many families in our neighborhood for its delicious pizza.

collectively

The three main branches of government are known collectively as the separation of powers.

variously

The same dessert is variously known as tiramisu, zabaglione cake, or Italian trifle.

formerly

That building was formerly known as the Central Hotel before it became a museum.

to

My teacher is known to be very strict about homework deadlines.