One-track : নিছক একমুখী; অনন্যনিবেশী; একমুখো;
Related Words
on the rack  one-track  See Words Also In
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Appropriate Prepositions
Agree with(ব্যক্তির সাথে একমত হওয়া): I agree with you.
Deaf to, of, in (না শোনা, বধির হওয়া): The boy is deaf to his father’s advice. This man is deaf of/in one ear.
Inquire for (দেখা করতে চাওয়া): He inquires for the manager.
Pity for (করুণা, সমব্যথা): I feel pity for this helpless old man.
Popte in, to (মার্জিত): We must be popte in our dealings. One should be popte to
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.
Liable to mislead (প্রতারণাপূর্ণ- deceptive): Appearances can often be liable to mislead.
Learn by heart (মুখস্থ করা)— He learnt the poem by heart.
Tooth and nail (তীব্রভাবে): He fought tooth and nail for the sake of country.