Definition: strong and tight Level: C2
他与我握手时坚定有力。
He greeted me with a ___firm handshake.
暴风雨中，她紧紧握着方向盘。
She maintained a ___firm grip on the steering wheel during the storm.
绳结必须牢固才能固定好船只。
The knot needs to be ___firm to secure the boat.
