盯住

盯住	dīng zhù	to watch sb closely / to breathe down sb's neck / to mark (sports)
盯	dīng	to watch attentively / to fix one's attention on / to stare at / to gaze at
住	zhù	to live / to dwell / to stay / to reside / to stop / (suffix indicating firmness, steadiness, or coming to a halt)