Contrast with
意译 (yìyì, 'meaning translation'):
沙发 shāfā = sofa is
音译 (sound-based);
电脑 diànnǎo = 'electric brain' for computer is
意译 (meaning-based). Some words mix both —
黑客 hēikè = hacker preserves both the sound and a fitting meaning ('black guest').