那当 nàdāng at that moment Origin Definitions Defs Strokes Stroke Words Sentences Sents 那 nà determinerpronoun that Specifies a person or thing further away (opposite of 这 zhè); (spoken) contraction of 'nà' and 一 yī, used before a measure word or numeral.当 當 dāng prepositionadverb at a time At a given time or place; just as; while; when (often used in the pattern 当...的时候 dāng... deshíhou)