1つ
hitotsu
one (used when counting things)
Example sentences
老人は役に立つ忠告を1つしてくれた。
The old man gave me a useful piece of advice.
卵を1つゆでてください。
Please boil an egg for me.
野心は彼の特性の1つだ。
Ambition is one of his characteristics.
Sentences from Tatoeba.org (CC-BY 2.0)