acquainted
adjective formal uk/əˈkweɪn.tɪd/ us/əˈkweɪn.t̬ɪd/
[ after verb ]相识的;认识的;熟悉的
knowing or being familiar with a person
acquainted with I am not personally acquainted with the gentleman in question. 我本人和所说的这位先生并不相识。
"Do you know Daphne?" "No, I'm afraid we're not acquainted." “你认识达夫妮吗？”“很遗憾，我跟她不认识。”
be acquainted with something 对…了解;对…熟悉;对…知晓
to know or be familiar with something, because you have studied it or have experienced it before
Police said the thieves were obviously well acquainted with the alarm system at the department store. 警方称，盗贼显然对百货商店的报警系统了如指掌。
I am very well acquainted with the government's approach to terrorists.
Almost everyone who is acquainted with the sport believes that the scale of drug abuse has been underestimated.
The planning team should be acquainted with the challenges of organizing a large convention.
Even someone who is not all that acquainted with technology can install our antivirus software.