- He built the treehouse all by himself._Hiː bɪlt ðə ˈtriː.haʊs ɔːl baɪ ˌhɪmˈself. Hí bilt dâ tríháus ól bái himsêlf.Ela construiu a casa na árvore sozinha.Hiː bɪlt ðə ˈtriː.haʊs ɔːl baɪ ˌhɪmˈself. Hí bilt dâ tríháus ól bái himsêlf.
He built the treehouse all by himself.