34. Keep s.b or s.th at bay               دور نگه داشتن

Her job is to feed her chickens and keep at bay alien invaders from the animal and plant world.

35. In lieu of                                      در عوض، به جای

He left his furniture to his landlord in lieu of rent.

36. To be in cahoots with                همدست بودن) در کار خلاف)

We suspect that the mayor is in cahoots with the construction industry.

37. To be in league with s.b            همدست بودن

The accountant and the chairman were in league to hide the company’s debts.

38. In a jiffy                                   به سرعت، جنگی

The clerk will be with you in a jiffy .

39. Hold the line                           از حدی تجاوز نکردن، فرا نرفتن از حدی

We’ll have to hold the line at this kind of expenditure.

40. Hinge on s.b or s.th/ Rest on s.th/depend on s.th     وابسته بودن به چیزی یا کسی

The case hinges on whether the jury believed the accused thief or the two witnesses.

41. Gray area                             بخش مبهم و نامفهوم

There is a large gray area between what is legal and what is not .

42. Gloss over s.th (white wash s.th )        ماستمالی کردن، پنهان کردن

Don’t gloss over your own role in the fiasco.

43. Give teeth to                         قدرت دادن به

The severe penalty gives teeth to the law.

44. For naught                           بخاطر هیچ، به عبث

I would hate to think that what we’d tried to do was all for naught.

45. Flight(s) of fancy                 رویا پردازی، امر تخیلی

What is the point in indulging in flights of fancy about exotic vacations when you can not even afford the rent.