1.
it can't be helped; there's no way; oh well
Colloquial form of しかたがない. Expresses resignation or acceptance that nothing can be done about a situation.
しょうがないなあ。
Oh well, what can you do.
There's no last train anymore, so it can't be helped. Let's take a taxi home.
Etymology
Contraction of しようがない (there's no way to do it)
仕様 (way of doing) → しょう
Forms
Common patterns
- 〜てしょうがない = can't help but ~, unbearably ~
Example: 食べたくてしょうがない (dying to eat)
- 〜でしょうがない (same meaning, after na-adjectives)
Common expressions
- しょうがないなあ - oh well, what can you do (with a sigh)
- しょうがないやつだ - you're hopeless (affectionate criticism)
Register
Casual/colloquial. More common in everyday speech than しかたがない.