- He built the treehouse all by himself._Hiː bɪlt ðə ˈtriː.haʊs ɔːl baɪ ˌhɪmˈself. Hi bilt de trihaus ol bai himself.Dia membangun rumah pohon itu sendiri.Hiː bɪlt ðə ˈtriː.haʊs ɔːl baɪ ˌhɪmˈself. Hi bilt de trihaus ol bai himself.
He built the treehouse all by himself.