The ship was overbalanced by the shifting of its cargo .

那条船因货物的移动而失去平衡。

I got him up all right , but overbalanced in the process .

我扶着他骑了上去，可是在这过程中又翻倒了过去。

I tried to pick it up , but I overbalanced in the process and fell sprawling .

我试图将它捡起，不料在捡的过程中身子一歪，趴倒在地。

He overbalanced and fell into the river .

他失去平衡然后掉到河里。

He overbalanced and fell down .

他失去平衡而倒下来。