to prevent someone or something from entering
কেউ বা কিছু যাতে ঢুকতে না পারে তা নিশ্চিত করা
"Close the windows to keep out the dust during the renovation."
"সংস্কারের সময় ধুলো ঢোকা ঠেকাতে জানলাগুলো বন্ধ রাখো।"
to speak at length in an excited or annoyed way
to fail to keep a promise
To prepare for future work or success.
to reach the desired standard or level
to reduce a list of options to a smaller number
a person who works too much and finds it hard to stop