tā / zhǎo / le / yí / gè / táng / huáng / de / lǐ / yóu / lái / yǎn / gài / zì / jǐ / de / cuò / wù他找了一个堂皇的理由来掩盖自己的错误。He came up with a respectable-sounding excuse to cover up his mistake.