つつ

つつ

"つつ" is a particle in Japanese indicating simultaneous actions or a contrast, often translated as "while" or "even though."

In this sentence, 'つつ' indicates parallel actions, where one is working while continuously investigating other solutions.

改善の方法を模索しつつ作業を進めます。

I am working on it while exploring methods of improvement.

Here, 'つつ' is used to convey an ongoing background activity, listening, while engaging in another related mental process, searching for questions.

彼の言葉を聞きつつ、核心に触れる質問を探していた。

While listening to his words, I was searching for pertinent questions.

The word 'つつ' here is used to indicate two actions happening simultaneously, emphasizing the duration or continuity of both.

彼は本を読みつつコーヒーを飲んでいる。

He is drinking coffee while reading a book.