At bay( কোনঠাসা ) The tiger was at bay in the bush.
Apple of discord( বিবাদেয় বিষয় ) The paternal property has become an apple of discord between the two brothers.
Nip in the bud( অঙ্কুরে বিনষ্ট করা ) All his hopes were nipped in the bud.
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.