流失 On the HSK 7-9 vocabulary list, at CEFR level C2. liúshī ㄌㄧㄡˊ ㄕ to wash away of soil etc to be eroded (of talented staff, followers of a religious faith, investment funds etc) to go elsewhere fig. to fail to be retained Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT