Cuir an lampa ar an mbord.
Tá an lampa bríste.
The lamp is broken.
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Tá an seomra suite lampa a lasadh.
The living room lamp is on.
Eh, your sentence structure's a bit off, it'd make more sense if it was:
Tá lampa na sheomra suite lasta
Transliterated as: The lamp of the sitting room is lit!
And @hallion: Watch your fadas, bríste means trousers! Briste (without a fada) means broken :)
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