Definition: strongly; in a way that will not become loose Level: B2
在你开始下降前，确保绳子已牢固系好。
Make sure the rope is ___firmly attached before you start the descent.
我用力关上门，以阻挡寒风。
I ___firmly closed the door to keep the cold wind out.
她坚信每个人都值得拥有第二次机会。
She ___firmly believes that everyone deserves a second chance.
