该软件屏蔽不适合儿童的内容。

The software blocks material that is ___unsuitable for children.

如果会议日期对你不合适，请通知我。

If the date of the meeting is ___unsuitable for you, just inform me.

穿休闲服装不适合正式场合。

Wearing casual clothes is ___unsuitable for a formal event.