In a situation that is unknown or unfamiliar.
একটি অজানা বা অপরিচিত পরিস্থিতিতে।
"The astronauts are heading into uncharted waters as they explore the unknown galaxy."
"বিজ্ঞানীরা অজানা গ্যালাক্সি অনুসন্ধান করার সময় অপরিচিত জলাশয়ে প্রবেশ করছেন।"
To be less advanced or slow compared to competitors.
to talk about something that has been worrying you
someone’s real character or intentions
to succeed in doing something difficult
completely free; without worries
to stop something; to end support for a project or activity