look sideways or with half-shut eyes or through a narrow opening
Related Translations:
窥视: peep at; spy on; take a furtive glance; watch stealthily; out of the corner of one's eye 短语和例子从锁孔窥视 peep through a keyhole; 往室内窥视 peep into the room; 窥视窗 hagioscope; 窥视孔 sight hole; peepdo