preposition, verb, pronoun · in accordance with; in the light of; to check or refer to

我们要按规定办事。

verb, preposition, noun · to press down or push with the hand or fingers; to keep one's hand on

请用力按住这块木板，别让它晃动。

verb · to control, restrain, or hold back

他努力按住心头的怒气，没有当场发作。

noun · of an editor or author, to make a comment or write a note

报纸在报道后附上一段编者按，表达了对该事件的看法。

verb · to leave aside or put on hold

这件事咱们先按下不提。