a dragging fear的用法和样例：
- He took a drag from the wine glass.
- The children will be a drag on me, so I want to go without them.
- She loves her family, but they're a drag on her career.
- To take part in or as if in a drag race.
- Being a tutor for a low learner is really a drag.
- He felt that his family was a drag on his success.