bottleneck

瓶頸、障礙、癥結

The approval process has become the main bottleneck in production.

審核流程已成為生產上最主要的瓶頸。

窄路段、堵塞路段

Traffic slows to a crawl at the bottleneck near the bridge.

車流到橋邊的窄路段就慢得像在爬。

瓶頸、瓶口

He gripped the bottleneck tightly and poured the water out.

他緊握瓶頸，把水倒了出來。

阻礙、拖慢、卡住常用被動

The whole project was bottlenecked by a shortage of chips.

整個專案因為晶片短缺而卡住。