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.
At all( আদৌ ) He does not know French at all.
Beggar description( বর্ণনাতীত ) The beauty of the Taj beggars description.
All on a sudden( হঠাৎ ) All on a sudden a tiger came out of the bush.
All at once( হঠাৎ ) All at once a tiger came out of the forest.