Complete his translation according to the content of the following little joke.

A thief stole a chicken and went to the river to pluck and wash it. At this time, a policeman came over, and the thief was afraid, so he quickly degraded himself and threw it into the river. The policeman asked him, "What are you doing?" The thief quickly explained, "This chicken is swimming, and I am looking after its clothes!" "

A thief stole a chicken from a village. He came to the river and wanted to clean it. After he plucked its feathers, he saw a policeman coming. He was so scared that he quickly threw it into the river.

"What are you doing?" The policeman asked him.

"The chicken is swimming, and I am helping to look after its clothes." The thief said that he was in a hurry.