| How they would pay for the project was, troublingly, left unstated. |
| Mo Yan's portrayal of the pursuit of women carrying unauthorized fetuses sometimes verges troublingly on the slapstick. |
| While cigarette smoking in the United States has steadily declined, smokeless tobacco use among youth has remained troublingly steady. |
| Deeply troublingly, the monster crane, explains Amir, should have stopped operation in such conditions. |
