Unmaintainable : অচল;
Related Words
un attainable  unattainable  undeniable  unmaintainable  unmentionable  untamable  untameable  untenable  See Words Also In
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Appropriate Prepositions
Busy with(ব্যস্ত থাকা): Rahim is now busy with her homework.
Charge with(অভিযুক্ত করা): He is charged with killing.
Convict of(দোষী সাব্যস্ত হওয়া): The accused person was convicted of the murder.
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
Sad at (দুঃখিত): All his colleagues were very sad at his transfer from this place.
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Idioms
Base born (নীচ বংশজাত, খারাপ জাত—adj.) He is a base born person; I cannot go along well with him.
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
End in smoke (ব্যর্থ হওয়া): All his plans ended in smoke.
Maiden speech (প্রথম বক্তৃতা): His maiden speech fell flat on the audience.
Wild goose chase (useless pursuit, পন্ডশ্রম) —Do not waste time in wild goose chase.