They ventured out on the rough sea to rescue the victims.

他们冒险到波涛汹涌的海上去救遇难者。

venture,作名词时表示冒险，冒险行为；作动词时表示冒险。

The children ventured out on the thin ice and fell through.

孩子们冒险踏上薄冰,结果掉了进去。

venture作动词时也有敢于的意思，如：

No one ventured to speak to him.

无人敢跟他讲话。

编辑:蒋健棠-----