pre-noun adjectival
Describes something small, insignificant, or of little consequence. Often used with nouns like こと, 用事, ミス, 違い.
See also: ちょっと
We got into a fight over a trivial thing.
ちょっとしたミスが大きな問題になった。
A minor mistake turned into a big problem.
pre-noun adjectival
considerable; quite a; decent
Indicates something more than expected, often positive: a fair amount, a proper or respectable degree. Common with nouns like 距離, 金額, 人, 料理.
See also: ちょっと
駅までちょっとした距離がある。
It's quite a distance to the station.
彼はちょっとした料理人だ。
He's quite a cook.