Null and void ( বাতিল ) The deed has been null and void now.
In the mean time ( ইতিমধ্যে ) Lila will come here to-night. In the mean time you should get her room ready.
Now and then ( মাঝে মাঝে ) He comes here now and then.
In lieu of ( পরিবর্তে ) Give me this pen in lieu of that.
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.