だけ
dake

Particle

1. only; just; merely; simply; no more than; nothing but; alone

Usually Written in Kana
たのはメアリーだけだった。
kita nowa meariidakedatta.
No one came except Mary.
Particle

2. as much as; to the extent of; enough to

Usually Written in Kana
この くるまには らくにその やまをのぼるだけの ちからがある。
kono kurumaniwa rakuni sono yamao noborudakeno chikaraga aru.
This car has enough power to go up the mountain easily.