Verb たら最後

〜tara saigo

JLPT N1 Very formal, literary Chapter 109: N1: As Soon As (The Moment That), 2 of 4

Formation

Verb-た form + ら最後

Expresses that once a certain action happens, the situation changes irreversibly - usually in a negative way.

When to use

Formal, literary "once X happens, there's no going back (usually badly)" - near-synonym of n1-125's たが最後.

Explanation

The たら最後 grammar point indicates that once an action (in た-form) occurs, there is no going back and an unpleasant or unavoidable state follows. Often translated as 'once...then it's all over' or 'the moment...there’s no turning back.'

Example sentences

As Soon As (The Moment That)