writing life; life as a writer
Refers to the lifestyle or period of one's life devoted to writing, often used in biographical or literary contexts.
He entered a writing life in his twenties.
After a long life of writing, he finally completed his masterpiece.
作家生活 emphasizes the career or lifestyle of an author, while 執筆生活 focuses more on the act of writing itself as a way of life.
Compound of 執筆 (writing) and 生活 (life). The exact historical derivation is uncertain, but the term is straightforwardly understood from its components.