yǒu yì si
他的讲话虽然简短，可是非常有意思。
Tā de jiǎnghuà suīrán jiǎnduǎn, kěshì fēicháng yǒuyìsi.
Although his speech was brief, it was very interesting.
今天的晚会很有意思。
Jīntiān de wǎnhuì hěn yǒuyìsi.
Today's party is very interesting.
她对你有意思，你没看出来？
Tā duì nǐ yǒuyìsi, nǐ méi kànchūlái?
She has feelings for you, didn't you notice?