底线 dǐxiàn HSK7 bottom line Definitions Defs Origin Strokes Stroke Words Sentences Sents dǐxiàn bottom line · baseline 底 dǐ nounlocative bottom The lowest part of an object or body of water; base; foundation线 線 xiàn noun boundary boundary; demarcation line; frontline; verge; brinkdǐxiàn planted agent 底 dǐ adverb ins and outs The truth behind a matter; the underlying details or background information线 線 xiàn noun clue (bound form) clue; lead; a thread of information or a person who provides such informationdǐxiàn underthread 底 dǐ nounlocative bottom The lowest part of an object or body of water; base; foundation线 線 xiàn noun thread thread; string; wire; something long and thin like a thread; (bound form) made of cotton threaddǐxiàn underline 底 dǐ nounlocative bottom The lowest part of an object or body of water; base; foundation线 線 xiàn noun line (geometry) (geometry) the figure formed by a moving point