Edit: Or if you have been tested, even better, you can write what level you recieved.
Me:
English: C2
German: B2/C1/C2 (it depends on the subject... )
French: B1
Japanese: A1
Russian: A1
Spanish: A1
W00t the weakness of being only bi-/semi-trilingual!
If you are unfarmiliar with theCommon European Framework of Reference for Languages, here is a table which you can use to calssify your skills:
← Ctrl ← Alt
Ctrl → Alt →
← Ctrl ← Alt
Ctrl → Alt →