জটিল সমস্যা: [noun] crux; labyrinth; problem; sticker; Gordian; [প্রতিশব্দ] বিভ্রান্তিকর অবস্থা; সমস্যা; আঠা লাগানো লেবেল; কঠিন গেরো;
Related Words
জটিল সংখ্যা  জটিল সমস্যা  See Words Also In
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Appropriate Prepositions
Argue over (কোন বিষয়ে তর্ক করা): The kids are arguing over which TV program to watch.
Break in (কথার মাঝে কথা বলা): As she was talking, he suddenly broke in, saying, ‘that’s a rat!’
Look up (ডিকশনারি থেকে শব্দার্থ খোঁজা): He is looking up a new word meaning from dictionary.
Perfect for (সঠিক, মানানসই): The new book is perfect for you.
Take pity on (দয়া করা): Take pity on the helpless people.
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Idioms
As ill-luck would have it (unfortunately- দুর্ভাগ্যবশত) A child was born to them but, as ill-luck would have it, it died when it was eight days old.
Bad bargain (purchasing at a high price-বেশি দামে কেনা-n) You had a bad bargain of the watch I see.
Fight shy (এড়িয়ে চলা): Why do you fight shy of your teacher?
To the brim (কানায় কানায়) - The river was full to the brim.
Up-to-date (আধুনিক) - Now-a-days ladies are very up to date.