Speechless : নির্বাক; বাকশক্তিহীন;
Related Words
spaceless  specialises  specialists  specializes  speck less  speckles  speckless  speech less  speechless  speechlessness  See Words Also In
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Appropriate Prepositions
Abide in(বাস করা): I abide in Dhaka with my family.
Careful of (সতর্ক): He is very careful of his fault.
Sentence to, for (দন্ডাদেশ দেওয়া): He was sentenced to death for murder.
Shout at (চিৎকার করে ডাকা): Do not shout at your parents.
Stare at (চাওয়া বা তাকানো): He stares at me.
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Idioms
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
End in smoke (ব্যর্থ হওয়া): All his plans ended in smoke.
Out of order (বিকল): The elevator was out of order.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.
To the point (সঠিক) - The boy answered the question to the point.