Once again : আবার; আরো একবার; আর একবার; ফের; ফিরে একবার; পুনরপি; পুনরায়; আর বার;
Related Words
on going  once again  once and again  once in a way  See Words Also In
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Appropriate Prepositions
Anxious for (কারোর ব্যাপারে চিন্তিত): Sabbir was anxious for her.
Bar to(বাধা): Poverty is not a bar to happiness.
Fatigued by (ক্লান্ত): He was fatigued by hard work.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
Pleased with (সন্তুষ্ট): Shamim is pleased with all his employees.
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Idioms
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Out of date (সেকেলে): This fashion is out of date.
To the backbone (হাড়ে হাড়ে): I know this boy to the backbone.