嚴控

to strictly control (abbr. for 嚴格控制|严格控制[yan2 ge2 kong4 zhi4])

surname Yan

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

to control / to accuse / to charge / to sue / to invert a container to empty it / (suffix) (slang) buff / enthusiast / devotee / -phile or -philia