If a person or group of people decides something, they choose what something should be like or how a particular problem should be solved.

双语例句例： She was still young, he said, and that would be taken into account when deciding her sentence.

她还年轻，他说，这一点在裁定对她的刑罚时将会予以考虑。

例： This is an issue that should be decided by local and metropolitan government.

这是一个应该由本区和市政府裁定的问题。