... be onto sth. 有些想法,想到些什么 be out of earshot超出听力所及范围,听不见 be out of one's mind 疯了,不合情理 ...
双语例句
1
I'll beoutofearshot, stone deaf.
反正我听不见,完全聋掉。
2
After one wild attempt we made to meet at night in her garden (of which more later), the only privacy we were allowed was to beoutofearshot but not out of sight on the populous part of the plage.
It might be feasible to clone the connection between a Bluetooth headset and phone so an eavesdropper could connect to the phone while its owner was briefly outofearshot.