之所以: the reason why I dislike him (is...)...
贺电: congratulatory telegram...
清理: to clear up, to tidy up, to dispose of...
室: room, work unit, grave, scabbard, family or clan, one of the 28 constellations of Chinese astronomy...
一连: in a row, in succession, running...
排练: to rehearse, rehearsal...
顺理成章: logical, only to be expected, rational and clearly structured (of text)...
打搅: to disturb, to trouble...
发誓: to vow, to pledge, to swear...
扫描: to scan...