老大 lǎodà HSK7 eldest child Definitions Defs Origin Strokes Stroke Words Sentences Sents lǎodà eldest child 老 lǎo noun [ordinal prefix] prefix used before numbers to indicate order of birth among siblings大 dà adjective eldest the oldest; first in order of seniority among siblings or relativeslǎodà boss · captain · old age · titan 老 lǎo adjective old old; aged; (of people) venerable大 dà adjective big big; large; great; vast; high in scale or intensity; (of a person) old; adultlǎodà very 老 lǎo adverbadjective very very; quite; for a long time大 dà adverb greatly greatly; fully; to a high degree; (when used after 不 bù) not very; not often