Trains run on schedule without mishap.

列车运行安全正点。

The important document arrived without mishap.

这份重要的文件平安无事的到达。

Most of these situations pass off without mishap.

这些情况多半不出什么事故就平平安安地过去了。

Tell your mother you have arrived here without mishap.

告诉你母亲你已经平平安安到达这里。

We've covered the first half of the course without mishap and so far.

我们已顺而利地完成一半课程。到目前为止。