In passing : কথা প্রসঙ্গে; আলোচনা প্রসঙ্গে; আলোচনা বা কথা প্রসঙ্গ;
Related Words
imposing  in passing  infusing  invasions  See Words Also In
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Appropriate Prepositions
Abound with(ছেয়ে থাকা): They live in a region that abounds with oil.
Adept in (দক্ষ): He is adept in playing football.
Bad at (অদক্ষ): He is not bad at English.
Sorry for (দুঃখিত): He is sorry for his misdeeds.
Yield to (নতি স্বীকার করা): I shall not yield to his temptation.
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Idioms
Backstairs influence (secret and illegal influence- গোপন এবং বে আইনী প্রভাব-n) He did not deseve the job, however, he got it by backstairs influence.
Learn by heart (মুখস্থ করা)— He learnt the poem by heart.
Take into account (বিবেচনা করা): Your activities should be taken into account.
To meet trouble half-way (পুরোপুরি মোকাবেলার আগেই হাল ছেড়ে দেয়া): He met trouble half way after getting the instructions.
To the contrary (against what some one had said, পক্ষান্তরে) —He said nothing to the contrary.