a swarthy complexion的用法和样例：
- She has a swarthy complexion.
- The young man had a slightly swarthy complexion, but otherwise there was certainly a visible resemblance between him and his sister.
- A Colonel Azizov, a swarthy, sardonic, pipe-smoking Tartar, awaited Levchenko.
- A swarthy boy opened a book and propped it nimbly under the breastwork of his satchel.