だす

(Dasu)

Indicates the sudden or unexpected start of an action.

Connection rules

今いままで寝ねていた赤あかちゃんが急きゅうに泣なきだした。

Ima made ne te i ta akachan ga kyuu ni naki dashi ta.

The baby who was sleeping until now suddenly started crying.

「Unexpected baby noise」

五ご分ふん前まえに急きゅうに雨あめが降ふりだしました。

Go fun mae ni kyuu ni ame ga furi dashi mashi ta.

It suddenly started raining five minutes ago.

「Sudden weather change」

It suddenly started raining while I was walking.

歩いている時に、急に雨が___。

Romaji also accepted