Observant به انگلیسی
From Longman Dictionary
ob‧ser‧vant /əbˈzɜːvənt $ -ɜːr-/ adjective
good or quick at noticing things
خوب یا سریع متوجه چیزها می شود
obeying laws, religious rules etc
رعایت قوانین، احکام دینی و غیره
Example
Mervyn liked best to work alone, in the open air, and was very observant
Men aren’t very observant about things like hair or clothes
Police are trained to be observant and to remember detail
Then Sammler, making himself intensely observant, concluded after ten or twelve minutes that Gruner definitely knew
Is it Robin Culley, newly sensitive, newly observant of human foible