Meaning of dīng:
盯
to watch attentively; to fix one's attention on; to stare at; to gaze at
Tā yīzhí zài dīngzhe diànnǎo píngmù.
他一直在盯着电脑屏幕。
He keeps watching the computer screen attentively.
Xiǎo māo yīzhí zài dīng zhe chuāngwài de niǎo.
小猫一直在盯着窗外的鸟。
The kitten keeps fixing its attention on the birds outside the window.
Tā yī zhěng tiān dōu zài dīng zhe nà zhī māo.
他一整天都在盯着那只猫。
He was staring at that cat all day.
Tā yīzhí zài dīng zhe nà zhī māo.
他一直在盯着那只猫。
He kept staring at that cat.