Null and void : অকার্যকর; বাতিল; খারিজ; বৈশিষ্ট্যহীন; আইনত কার্যকর নয়;
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Appropriate Prepositions
Attend to(মনোযোগ দেওয়া): Please attend to my advice.
Cause for (চিন্তিত হওয়ার কারণ): He has never given me any cause for concern.
Consist in (কোনো কিছু মধ্য বিদ্যমান থাকা): Happiness consists in contentment.
Cope with (এঁটে ওঠা; তাল মিলিয়ে চলা): They cannot cope with so much work.
Taste for (রুচি; পছন্দ): He has a great taste for music.
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Idioms
All in - (পরিশ্রান্ত): I was all in after the meeting.
At a standstill (নিশ্চল, অচলাবস্থায়-adj.) The discussion is now at a standstill.
Flesh and blood (রক্তমাংসের শরীর): She's my own flesh and blood; I can't believe she treated me that way!
Follow the footsteps of (পায়ে পায়ে অনুসরণ করা): People always follow the footsteps of some great man.
Take to heart (মর্মাহত হওয়া)- He really took it to heart when I asked him to reconsider.