It's not illegal here, but it is frowned upon.

这种事在这儿虽然不违法，但也是很遭人厌恶的。

Her extravagant lifestyle had always been frowned upon by her conservative parents.

她铺张浪费的生活方式一直为其保守的父母所不赞同。

He frowned at her anxiously.

他焦急地朝她皱了皱眉。

She relayed the message, then frowned.

她转告了那个消息，然后皱了皱眉。

Emma frowned, making an effort to compose herself.

埃玛皱起了眉头，努力使自己镇定下来。

Father frowned his son down.

父亲皱起眉头，不让他的儿子说话。

Colin frowned and condescended to look at Mary.

科林皱着眉头，屈尊看着她。