不管成功与否，我们都已经努力了。

Bùguǎn chénggōng yǔfǒu, wǒmen dōu yǐjīng nǔlì le.

Whether we succeed or not, we have already worked hard.

老师正在判断他的话是否是真的。

Lǎoshī zhèngzài pànduàn tā de huà shìfǒu shì zhēn de.

The teacher is judging whether what he said is true.