to gain access to a computer or system
কম্পিউটার বা সিস্টেমে প্রবেশ করা
"She logged in to check her emails."
"সে ইমেইল চেক করার জন্য লগইন করেছিল।"
to not worry about something until it happens
to join others in doing a task or helping
the matter is settled or finished
to control your emotions
to act confidently until you actually feel confident
to keep something at a low level