Up-and-down : একবার উঠছে একবার পড়ছে এরূপ; উচ্চনীচ;
Related Words
up and doing  up and down  up-and-down  See Words Also In
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Appropriate Prepositions
Absorbed in(মগ্ন): I am absorbed in my study.
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Dull of (বধির; কানে শুনে না): He is dull of hearing.
Render into (অনুবাদ করা): Render the passage into Bengap.
Worry about (কোনো কিছু বা কাউকে নিয়ে উদ্বিগ্ন হওয়া): Please, don’t worry about me. I will be alright.
Browse All Appropriate Prepositions
Idioms
Far and wide (সর্বত্র): His fame spread far and wide.
Moot point (অমীমাংসিত বিষয়): Dowry system is still a moot point in Bangladesh.
Now and then (মাঝে মাঝে): He comes here now and then.
Pass sth/sb off as sth/sb (মিথ্যা পরিচয় দেয়া; Pretend – ভান করা): They were trying to pass off these shirts as genuine Armani.
Well-to-do (সঙ্গতিপূর্ণ) - He was not born in a well-to-do family.