The major, one ear glued to a phone, covered the mouthpiece.
You'd do better to keep your ear glued to that radio and keep watch over all channels!
Intuition alone, of course, would suggest that driving with one ear glued to a car phone can distract one's attention from the road.
"Yes," said Hermione, her ear still glued to the cupboard door.
Like a graven image he stood in silence, his ear glued to the frail door.
He's had an ear glued to the phone ever since.
He dialed a number and sat with ear glued to the receiver.
With my ear glued to the panel, I went on listening.
They sure had their ears glued to that door.
Many of them have their ears glued to radios for news about the fighting in Kabul.