On the one hand : একে;
Related Words
on the mat  on the one hand  See Words Also In
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Appropriate Prepositions
Devoid of (বিহীন/বর্জিত): He is devoid of common sense.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
Sorry for (দুঃখিত): He is sorry for his misdeeds.
Subject to (সাপেক্ষে): The man was appointed subject to the approval of the chairman.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Bring to light (disclose-প্রকাশ করা) The police brought the secret to light.
Bear (a) grudge (bear hostility to— শত্রুতা বা বিদ্বেষ পোষন করা—V) We should not bear (a) grudge against our brethren.
Foul play (অসদাচারণ করা): We feared that he had met with foul play.
In no time (শীঘ্র): He will finish the work in no time.