Cryptography : সংকেতলিপি রচনার বিদ্যা;
Related Words
cryptograph  cryptographer  cryptography  See Words Also In
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Appropriate Prepositions
Burdened with (ভারাক্রান্ত): Rahim is burdened with a big family.
Care of(যত্ন নেওয়া): You should take care of your health.
Subsist on (বেঁচে থাকা): The poor subsist mainly on rice and pulses.
Substitute for (বদলে দেওয়া): This action is substitute for that.
Thirst for (তৃষ্ণা, আকাঙ্ক্ষা): A wise man has no thirst for wealth.
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Idioms
At-fault (guilty-কিংকর্তব্যবিমূঢ়, অপরাধ, দোষ adj.) You are at fault.
Pass sth/sb off as sth/sb (মিথ্যা পরিচয় দেয়া; Pretend – ভান করা): They were trying to pass off these shirts as genuine Armani.
To meet trouble half-way (পুরোপুরি মোকাবেলার আগেই হাল ছেড়ে দেয়া): He met trouble half way after getting the instructions.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.