吞吞吐吐 (tūn tūn tǔ tǔ): To hum and haw [idiom] (verb/idiom) — Meaning & Stroke Order

At the board meeting, he hummed and hawed while reporting the performance, raising doubts among the shareholders.

Why are you always so hesitant? Do you have some unspeakable difficulty?

When I asked her why she was late, she stammered through a long explanation.

He did not hum and haw; instead, he stated his position clearly and forcefully.