“紧握”造句

他紧握椅子扶手的手逐渐松开了。
He gradually relaxed his grip on the arms of the chair.

他双拳紧握，重重地捶着桌子。
He hammered his two clenched fists on the table.

凯瑟琳紧握着破裂的瓶颈。
Catherine gripped the broken neck of the bottle.