Visual aid : শিক্ষণ-সহায়ক চাক্ষুষ উপকরণ; দৃক-উপকরণ;
Related Words
visual aid  visuality  See Words Also In
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Appropriate Prepositions
Annoyed with(ব্যক্তির সাথে বিরক্ত হওয়া): I am annoyed with him.
Care of(যত্ন নেওয়া): You should take care of your health.
Conscious of(সচেতন): I am conscious of my deficiencies.
Covetous of(লোভী হওয়া): He is covetous of wealth.
Plead for (ওকালতি করা): He pleads for justice.
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Idioms
At a standstill (নিশ্চল, অচলাবস্থায়-adj.) The discussion is now at a standstill.
Bird’s eye view - (ভাসা ভাসা দৃশ্য, হালকাভাবে দর্শন): We took a bird’s eye view of the scenery.
Bad names (গালমন্দ—n) He called the man bad names.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.
Scapegoat (উদোর পিন্ডি বুধোর ঘাড়ে)—He was made scapegoat of the incident.