On the sly : গোপনে; গোপনে; চোরাগোপ্তাভাবে;
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Appropriate Prepositions
Ask about (কাউকে খোঁজ করা): Rahim asked about Karim.
Consistent with(সামঞ্জস্যপূর্ণ): Your action is not consistent with your word.
Consolidate for (শক্তিশালী করা): The four new companies consolidated for greater efficiency.
Convinced of (আশ্বস্ত): You are convinced of his product.
Count on/upon (নির্ভর, বিশ্বাস করা): Rahim count on (upon) my help.
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Idioms
All in - (পরিশ্রান্ত): I was all in after the meeting.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.
Man of letters (পন্ডিত ব্যক্তি): You are truly a man of letters.
Take into account (বিবেচনা করা): Your activities should be taken into account.
Turn a deaf ear to (pay no attention, প্রত্যাখান করা) —He turned a deaf ear to my proposal.