be on one's ear

基本解釋

In one embodiment, the sensor may be placed on a patient's finger, toe, ear, and so forth to obtain pulse oximetry or other physiological measurements.
在一個實施例中，可將所述感測器置于患者的手指、腳趾、耳朵等上以獲得脈搏血氧測定或其它生理測量值。
ip.com
If I had only one complaint it would be that she's rather fond of moving on to trying to bite through my ear lobe, and with teeth as sharp as hers, this is not always the happy ending of choice.
如果我對她有所不滿，那就是她非常喜歡咬我的耳垂，用她鋒利的牙齒，這并不總是選擇的快樂結(jié)局。