Head and ears ( সম্পূর্ণরূপে ) He is over head and ears in debt.
Sink in ( আবদ্ধ হওয়া, ডুবে যাওয়া ) He sank in mud or the ship sank into the sea.
By and large ( প্রধানতঃ ) People in our village are by and large farmers.
At sixes and sevens ( বিশৃঙ্খলা অবস্থায় ) All the furniture in the room were at sixes and sevens.
To the backbone ( হাড়ে হাড়ে ) The boy is wicked to the backbone.
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.