できる

verb

to be able to do / to be finished, to be ready / be made / (slang) to have sex, to do it, to get some, to get it on

私は日本語を話すことができます。

I can speak Japanese.

意味（1）

to be able to do

ジョンはフランス語(ご)ができる。

Jon wa Furansugo ga dekiru.John knows French.(literally, “John can do French.”)

意味（2）

to be finished, to be ready

準(じゅん)備(び)は出(で)来(き)た。

Junbi wa dekita.Preparations are finished. → I'm ready.

意味（3）

be made

Tokai ni kōjō wa doshidoshi dekiru.Factories are being built all over the city.

意味（4）

(slang) to have sex, to do it, to get some, to get it on

Kanojo to dekita koto wa ichido mo nai.I haven't done it with my girlfriend even once.