a fit of coughing的用法和样例：
- A fit of coughing could be heard from the inner room.
- Suddenly he was seized with giddiness [a fit of coughing].
- The speaker broke off in the middle of a sentence with a fit of coughing.
- He had a fit of coughing.
- Just then Keshab was seized with a fit of coughing, which lasted for a long time.