to join others in doing a task or helping
একসঙ্গে কোনো কাজে অংশ নেওয়া বা সাহায্য করা
"Everyone pitched in to clean the park."
"সবাই মিলে পার্ক পরিষ্কার করেছিল।"
You are responsible for any possible danger or loss.
to use the same tactics as one’s opponent
to be unusually advanced or innovative for its era
to be very close and spend a lot of time together
to release someone from blame or punishment
a sign that something bad will happen soon