exactly, precisely
ठीक
English Usage: I just arrived on time.
Hindi Usage: मैं ठीक समय पर आया।
only, merely
केवल
English Usage: She was just a child.
Hindi Usage: वह केवल एक बच्ची थी।
recently discovered or made
हाल में खोजा गया
English Usage: I bought a new phone.
Hindi Usage: मैंने एक नया फोन खरीदा।
something recently made or introduced
नया चीज
English Usage: This car is new.
Hindi Usage: यह कार नई है।