4 sentences

1. 我知道你对他有好感。

   wǒ zhī​dào nǐ duì tā yǒu hǎo​gǎn.

   I know you have feelings for him.

   Source: OpenSubtitles

2. 她明知道我对她没好感。

   tā míng​zhī​dào wǒ duì tā méi hǎo​gǎn.

   She knew that I didn't like her.

   Source: OpenSubtitles

3. 我对这位新同事很有好感。

   wǒ duì zhè wèi xīn tóng​shì hěn yǒu hǎo​gǎn.

   I have a very good impression of this new colleague.

   Source: Dong Chinese Dictionary

4. 他的面向看起来非常和善，很容易让人产生好感。

   tā de miàn​xiàng kàn qi​lai fēi​cháng hé​shàn, hěn róng​yì ràng rén chǎn​shēng hǎo​gǎn.

   He looks very kind, which easily makes people take a liking to him.

   Source: Dong Chinese Dictionary