他通过朋友间接了解到这个消息。

Tā tōngguò péngyǒu jiànjiē liǎojiě dào zhège xiāoxī.

He indirectly learned about this news through a friend.

我只是间接听说这件事的，具体情况还不太清楚。

Wǒ zhǐshì jiànjiē tīngshuō zhè jiàn shì de, jùtǐ qíngkuàng hái bú tài qīngchu.

I only heard about this matter indirectly, so I’m not clear about the details.

这条新规定会对我们的收入产生间接影响。

Zhè tiáo xīn guīdìng huì duì wǒmen de shōurù chǎnshēng jiànjiē yǐngxiǎng.

This new regulation will have an indirect impact on our income.