When in doubt, to be honest.

在拿不准时，要诚实。

youdao

When in doubt, stay out! The canyon will still be there tomorrow.

如果有所怀疑，那么请放弃，因为峡谷明天依然还在那里。

youdao

When in doubt, a test should be conducted under application conditions.

如果有疑问，应测试应用条件下进行。

youdao

When in doubt, a test should be conducted under application conditions.

如果有疑问，应测试应用条件下进行。

youdao