c. 1300, "condition, state, circumstances; presence, fact of existing," early 14c., existence," from be + -ing. Sense of "that which physically exists, person or thing" (as in human being) is from late 14c.
权威例句
1. Doctors are complaining about being barraged by drug-company salesmen.
医生们抱怨他们疲于应付医药公司的销售人员。
2. It shows a fox being disembowelled by a pack of hounds.
画面中一只狐狸正被一群猎狗撕咬得肠子外流。
3. A skeleton staff of 20 is being kept on.
留下了20名骨干人员。
4. He had a reputation for being bloody-minded and difficult.
他为人刻薄、难相处是出了名的。
5. The Union accused Walesa of being capricious and undemocratic.