By the way : প্রসঙ্গক্রমে; ভ্রমণকালে;
Related Words
by that  by the way  bythe way  bytheway  See Words Also In
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Appropriate Prepositions
Abide with(সঙ্গে থাকা): If you would like to rest for a while, you can abide with me.
Adjacent to (সন্নিহিত): His house was adjacent to the bridge.
Dull at (অপ্টু/কাঁচা): He is dull at mathematics.
Fail in (ব্যর্থ হওয়া): He failed in getting internet connection in his room.
Guilty of (অপরাধী/দোষী): The convict was guilty of murder.
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Idioms
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
At a low ebb (in an unfavorable situation প্রতিকুল অবস্থায়, ভাটির মুখে) The popularity of this singer is now at a low ebb.
Now and then (মাঝে মাঝে): He comes here now and then.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.