The population of this country is gradually diminishing.
この国の人口は徐々に減少しています。
As he walked away, his figure gradually became dim under the snow.
彼が立ち去ると、彼の姿は雪の下で徐々に薄暗くなっていきました。
Old customs are gradually being destroyed.
古い習慣は徐々に破壊されています。
It gradually escalated.
徐々にエスカレートしていきました。
At first, I didn't like it, but it gradually became fun.
最初は嫌でしたが、だんだん楽しくなってきました。
Thereafter, he was gradually promoted until he became company president.
その後、徐々に昇進し、社長に就任した。
When Chokichi thought listlessly about this winter, and the similar winter before and the one before that, he vividly experienced the fact that as people grow older, they gradually lose their happiness.