細細 ほそぼそとしちゃう
hosobosoto shichau

Godan Verb (u)
Pre-noun Modifier

The completive aspect (contracted form) - indicates completion or regret of 細細とした

1. So small, I did...; So delicate, I did...; (Implies doing something small/delicate and now regretting it or acknowledging its completion)

Completed Action
Colloquial