taut

The sailor made sure the rope was taut before securing it to the dock.

(Chinese) 水手在将绳子固定到码头之前，确保绳子是紧绷的。

The athlete's muscles were taut as she waited for the starting pistol to fire.

(Chinese) 当运动员等待起跑发令枪响时，她的肌肉紧绷着。