At one time : একদা; এককালে; একবার;
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Appropriate Prepositions
Angry for (কোন কাজে রাগান্বিত হওয়া): Rahim was angry with me for my having done this.
Answerable to (কারো কাছে জবাবদিহিতা করা): He is not answerable to anybody for his mistake.
Anxious for (কারোর ব্যাপারে চিন্তিত): Sabbir was anxious for her.
Care for(গ্রাহ্য করা): I do not care for you.
Desist from (বিরত থাকা): She desisted from making this.
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Idioms
Bad blood - (শত্রুতা): There has always been bad blood between these families.
Bad bargain (purchasing at a high price-বেশি দামে কেনা-n) You had a bad bargain of the watch I see.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
On the contrary (বিপরীত পক্ষে): I do not hate him; on the contrary I love him.