如果一种试验没有成功，扔掉它，再试试别的吧。

If one experiment doesn’t work you throw it away and try something else.

youdao

第一次试验没有成功。

The first try was not successful.

youdao

试验项目的结果还没有制成表格。

Results for the test programme haven't been tabulated.

《柯林斯英汉双解大词典》

If you toss a coin twice and the first experiment doesn't influence the second, we say they're independent and there's no relation between the two.

如果你抛两次硬币,第一次的结果并不影响第二次的结果,所以我们说他们是相互独立的,这两次试验没有关系

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