动词悬空; 未完成，未核实
1. 未完成：hang in doubt 悬而未决 | hang in the air 未完成 | hang in the balance 安危未定
2. 未决定;悬搁着：[H] hand it to somebody 赞扬某人;承认某人的长处 | hang in the air 未决定;悬搁着 | hard nut to crack 难对付的人
1. The level of violence has abated but tear gas and the smoke from burned cars still hang in the air in central Athens.
2. Hastily discarded drugs lie in heaps on the ground, and curses and shouts hang in the air.
3. Some meteors also leave trails that hang in the air for several seconds.