| A | B |
| to work out | to exercise; to develop, to devise (a plan); to proceed or end successfully |
| to back up | to drive or go backwards; to defend, to support; to return to a previous thought |
| to back out | to drive a vehicle out of a parking space; to withdraw support, to fail to fulfill a promise or obligation |
| to have one's heart set on | to desire greatly, to be determined to |
| to buy up | to buy the complete stock of |
| to buy out | to purchase a business or company; to purchase all of a person's shares of stock |
| to sell out | to sell all items; to arrange for the sale of a company or business; to abandon one's beliefs or principles for money or success |
| to catch on | to become popular or widespread; to understand, to appreciate a joke |
| to be cut out for | to have the necessary skills or talent for |
| to throw out | to discard; to remove by force; to refuse to consider, to reject |
| to throw up | to erect or construct quickly; to vomit |
| to clear up | to make understandable; to become sunny |