Black stain : কালচিটে; কালচিটা;
Related Words
ballasting  black stain  blasting  block stone  blockading  See Words Also In
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Appropriate Prepositions
Adapt to(খাপ খাওয়ানো): Everybody must adopt himself to new environment.
Behave towards(ব্যবহার করা): The students behaved objectionably towards the Head teacher.
Care of(যত্ন নেওয়া): You should take care of your health.
Debar from (বঞ্চিত হওয়া/বাধা দেওয়া): He is debarred from getting a job.
Meet with (হঠাৎ কোন কিছু হওয়া): Yesterday I met with an accident.
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Idioms
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
From cradle to grave (দোলনা থেকে কবর পর্যন্ত): Everyone has to learn from cradle to grave.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
Run high (বেড়ে যাওয়া) —The price of everything has run high.
To the brim (কানায় কানায়) - The river was full to the brim.