Touch-and-go : বিপজ্জনক; অনিশ্চিত; ঝুঁকিপূর্ণ;
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Appropriate Prepositions
Bask in(রোদ পোহানো): The boys and girls are basking in the sun right now.
Hard of (কানে খাটো বা কম শোনা): Ratan is a hard of hearing.
Married to (বিবাহিত): Salma was married to a Govt. Officer.
Search for (সন্ধান করা): The police searched the halls of residence for arms.
Yield to (নতি স্বীকার করা): I shall not yield to his temptation.
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Idioms
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
Lose heart (হতাশ হওয়া) — Do not lose heart in danger.
Set something right (ঠিক করা)— He will set the machine right.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.