Save the day = to do something that solves a serious problem.
(حل یک مشکل جدی)
64,000 dollar question = an important or difficult question, the answer towhich might not be known.
(سوال سخت و بی جواب)
Step on it = to drive faster, to hurry up.
(سریعتر راندن؛ عجله کردن)
17 - آبانماه - 1390 ساعت 05:49 ب.ظ