感慨 (gǎn kǎi): Sigh (with emotion) (Verb) — Meaning & Stroke Order

Don't you sigh with emotion at the speed of this era's changes?

He sighed with emotion, saying, "Time flies so fast!"

He did not sigh with emotion, but calmly analyzed the current situation.

After every gathering, everyone always sighs with emotion about how hard it is to get together.