At dawn : ঊষাকালে; ঊষাসমাগমে; সকালে;
Related Words
adman  adown  at dawn  at one  atman  attain  See Words Also In
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Appropriate Prepositions
Annoyed at(ব্যক্তি ছাড়া অন্যকিছুর প্রতি বিরক্ত): They were annoyed at his rough behavior.
Cause for (চিন্তিত হওয়ার কারণ): He has never given me any cause for concern.
Cause of(কারণ): Industry is the cause of your success.
Convenient to(সুবিধাজনক): The work is convenient to your nature.
Damage to (ক্ষতি): The flood caused much damage to crops last year.
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Idioms
At the eleventh hour (at the last moment-শেষ মুহুর্তে adv.) The patient was in a dangerous condition and the doctor came at the eleventh hour.
In lieu of (পরিবর্তে): Give me this pen in lieu of that.
Set something right (ঠিক করা)— He will set the machine right.
Tooth and nail (তীব্রভাবে): He fought tooth and nail for the sake of country.
Turn down (refuse, প্রত্যাখান করা) —He turned down my proposal.