垫底 diàndǐ HSK7 foundation Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: rank last All meanings 4 diàndǐ 4 foundation 1rank last 1tide over 1underlay 1 1 sentence for 垫底 (diàndǐ — rank last) 他在这次模拟考试中成绩不幸垫底。 tā zài zhè cì mónǐ kǎoshì zhōng chéngjì bùxìng diàndǐ. Unfortunately, he finished last in this mock exam. Source: Dong Chinese Dictionary