At bay ( কোনঠাসা ) The tiger was at bay in the bush.
By all means ( সবর্প্রকার ) Try to do it by all means.
Come to light ( প্রকাশিত হওয়া ) Their private talk has come to light at last.
A blessing in disguise ( বিপরীতে হিত ; প্রথমে খারাপ হিসেবে মনে হলেও পরবর্তীতে ভালো হয় ) Sam's motorcycle accident was a blessing in disguise because he got enough insurance money.
Dead of night ( মধ্য রাত্রি ) The robbers broke into the house at dead of night.