目录: catalog, table of contents, directory (on computer hard drive), list, contents...
接替: to replace, to take over (a position or post)...
上级: higher authorities, superiors...
欢迎: to welcome, welcome...
发病: onset, outbreak (of a disease)...
隐身: to hide oneself, invisible (person or online status)...
音响: sound, acoustics, audio, hi-fi system, stereo sound system, abbr. for...
拣: to choose, to pick, to sort out, to pick up...
大有可为: with great prospects for the future (idiom); well worth doing...
美妙: beautiful, wonderful, splendid...
