unceremoniously

1.we saw him dumped unceremoniously overside by the guards.

我们看到他被卫兵很粗鲁从船边扔了下去。

2.They carried him down to the beach and dumped him unceremoniously in the freezing water.

他们把他抬到海滩，随便把他扔进了冰冷海水里。