Have the best of both worlds = to have the best aspects of one choice and the best aspects of another choice when you have been asked to select between two choices.
Be on tenterhooks = anxiously waiting for news about someone or something.
(با نگرانی منتظر خبر در مورد کسی یا چیزی بودن)
Mark something up or down = to reduce or raise the price of something.
(کم کردن و بالا بردن قیمت چیزی)
Until / till / to the bitter end = to the limit of one's efforts / to the last extremit.
(تا آخرین توان؛ نهایت سعی و توان)
He played off the job
کار را از سر باز کرد
He went back on his word
زیر قولش زد
He swells like a turkey cock
باد در دماغ می اندازد