Vou por os sinônimos em cima e abaixo em maiusculo o a frase:
to let up = to slacken, lessen in minority
IF THE RAIN LETS UP A LITTLE THEY MAY BEGIN THE PARADE.
to lay off = to dismiss temporarily, generally because of the lack of work
DURING THIS SEASON OF THE YEAR THEY OFTEN LAY OFF MANY WORKERSAT THAT PLANT.
to bring out = to produce, to present.
THE CLERK BROUGHT OUT SEVERAL DIFFERENT TYPES OF GLOVES FOR US TO EXAMINE.
to bring back = to take back, to return.
I TOOK THE BOOK BACK TO THE LIBRARY YESTERDAY.
to wait up for = to wait until very late without going to bed at the usual time.
DON’T WAIT UP FOR ME TONIGHT. I MAY BE VERY LATE.
to let alone = to permit to be alone, avoid, stay away from.
THE PLANT WILL GROW MUCH BETTER IF YOU LET IT ALONE.
To break off = to terminate
WE MAY BREAK OFF RELATIONS WITH THAT COUNTRY.
To wear off = to disappear gradually
THE EFFECT OF THE DRUG DID NOT WEAR OFF FOR SEVERAL HOURS.
to wear down = to wear away, to wear trough, to reduce gradually through the process of wear
THE HEELS OF YOUR SHOES ARE WORN DOWN ON ONE SIDE.