嚴格隔離

rigorous isolation

surname Yan

tight (closely sealed) / stern / strict / rigorous / severe / father

strict / stringent / tight / rigorous

square / frame / rule / (legal) case / style / character / standard / pattern / (grammar) case / (classical) to obstruct / to hinder / (classical) to arrive / to come / (classical) to investigate / to study exhaustively

to separate / to partition / to stand or lie between / at a distance from / after or at an interval of

to separate / to isolate

surname Li

to leave / to part from / to be away from / (in giving distances) from / without (sth) / independent of / one of the Eight Trigrams 八卦[ba1 gua4], symbolizing fire / ☲