那座新建的雕塑虽然很有创意，但外形实在不讨人喜欢。

The newly built sculpture is creative, but its ___unattractive shape fails to appeal.

他对服务员的恶劣行为非常粗鲁。

His ___unpleasant behavior towards the waiter was quite rude.

在这种正式场合穿牛仔裤显得不太得体。

Wearing jeans would be ___inappropriate for such a formal occasion.