By that : তদ্দ্বারা;
Related Words
be hot  but that  by it  by path  by that  by the way  by what  bye path  bypath  bythe way  bytheway  See Words Also In
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Appropriate Prepositions
Absorbed in(মগ্ন): I am absorbed in my study.
Attacked with(আক্রান্ত): He is attacked with …
Fit for (যোগ্য): Sabina is not yet fit for marriage.
Hinge on/upon (নির্ভর করা): The whole matter hinges upon this clue.
Look over (পরীক্ষা করা): He was looking over the answer scripts.
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Idioms
At random (indiscriminately—এলোপাথাড়ি-adv.) He talks at random like a mad man.
For good (চিরদিনের জন্য): He left the house for good.
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
Gala day (বিশেষ দিন): The Eid–Ul-Fitr is a gala day for Muslims.
On the wane (হ্রাসমান): His fame is on the wane now.