Clear-headed : বিচক্ষণ;
Related Words
clear the air  clear-eyed  clear-headed  cleared  clearheaded  See Words Also In
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Appropriate Prepositions
Apology to (কারো কাছে ক্ষমা চাওয়া): Rakib should ask apology to her.
Care of(যত্ন নেওয়া): You should take care of your health.
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Derive from (উৎসারিত হওয়া): The one has been derived from the poem.
Work with (কারো সাথে কাজ করা): They will be working with me on the new project.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
Bad names (গালমন্দ—n) He called the man bad names.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
Let loose (বল্গাহীনভাবে ছেড়ে দেয়া): He let his horse loose in the field.
Tooth and nail (তীব্রভাবে): He fought tooth and nail for the sake of country.