lia̍h-sè掠勢

to grip the key area

to grip the key area (to make use of the momentum); to hit the nail on the head (to do something)

English Wiktionary, “掠勢” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%8E%A0%E5%8B%A2 · confidence: Medium (Wiktionary)