Two-part transliteration.
莎拉 = Sarah (very standard rendering, see also CC-CEDICT).
考沃斯 phonetically maps to a surname like "Caulfield," "Kowalski," or "Cowers/Cowors":
考 (kǎo) ≈ "Cau-/Ko-,"
沃 (wò) ≈ "-wal-/-wo-,"
斯 (sī) ≈ "-s." The middle dot · separates given name from surname in Chinese transliteration of foreign names.
