Bottom up : উল্টো অবস্থায়;
Related Words
bottom up  bottomup  button up  See Words Also In
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Appropriate Prepositions
Abhorrence of (ঘৃণা): Everyone should have abhorrence of a par.
Adapt to(খাপ খাওয়ানো): Everybody must adopt himself to new environment.
Attain to (লাভ করা): He will not attain to his objective so soon.
By heart (মুখস্থ): Kamal learnt to poem by heart.
Cope with(সামলানো বা পেরে উঠা): They cannot cope with the situation.
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Idioms
Dead against (তীব্র বিরোধী - strongly opposed to): I am dead against corruption.
For good (চিরদিনের জন্য): He left the house for good.
From cradle to grave (দোলনা থেকে কবর পর্যন্ত): Everyone has to learn from cradle to grave.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.