(1) After his wife's death, he fell into a decline.

(2) He fell into a decline.

(3) Because the final expressive forms and results of these resources have huge difference, some enterprises are prosperous and others fall into a decline.

(4) The intense competition from overseas has caused the textile industry to fall into a decline.

(5) The intense competition from overseas has caused the cotton industry to fall into a decline.

(6) After extermination of Buddhism by Tang-wu-zong in BC845, buddhist art began to fall into a decline in central plain, the political and economical center of China.

(7) The intense competition from overseas has caused the cotton industry fall into a decline.