slap on the wrist( মৃদু শাস্তি ) Although he broke the rules, he was only given a slap on the wrist
In vogue( চালু ) This custom is not in vogue now.
A bed of roses thorns( কন্টকময় জীবন ) Life is nothing but a bed of roses.
As usual ( যথারীতি ) He is late as usual.
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.