Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending (irregular verb)
to be doing; to be in the process of doing
日が経つにつれて、天気は次第に悪化しつつあった。The weather was getting worse and worse as the day went on.
Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending (irregular verb)
to be doing; to be in the process of doing