Explanation
Expresses an intense emotional or physical state; 'extremely', 'can’t help but'.
Formation
い-Adjective(く) + てしょうがない / な-Adjective + で(は)しょうがない / Verb-て form + しょうがない
Detailed explanation
The pattern ~(て)しょうがない (or 〜でしょうがない) indicates a condition or feeling so intense that one is almost 'overcome' by it. It’s often used with emotions (e.g. 退屈で(しょうがない), 嬉しくてしょうがない, 寒くてしょうがない).
Examples
Kyō wa hima de shō ga nai.
I’m extremely bored today.
Shiken ga chikai kara fuan deshō ga nai.
I’m so anxious because the exam is coming up.
Atama ga itakute shō ga nai kara, sōtai shitai.
My head hurts so much I can’t stand it—I want to leave early.
Atarashii gēmu ga ki ni natte shō ga nai.
I can’t help but keep thinking about the new game.
Practice
Grammar content sourced from hanabira.org.