to be very brave and calm under pressure
চাপের মধ্যেও শান্ত ও সাহসী থাকা
"A firefighter must have nerves of steel to face danger every day."
"দমকলকর্মীর প্রতিদিন বিপদের মুখোমুখি হতে ইস্পাতের মতো স্নায়ু থাকা প্রয়োজন।"
the most vulnerable or insecure part of a system
to strongly criticize someone for something they did wrong
someone who looks exactly like another person
to clarify the truth after a misunderstanding
having practical intelligence and experience, not just book...
to be honest and kind in feelings and actions