big; large; great; vast; high in scale or intensity; (of a person) old; adult

topic; subject; title of a speech or a piece of writing

small; tiny; few; minor; in area, volume, quantity, or power, being less than average or less than the object of comparison; opposite of 大 dà

to do; to make; to engage in an activity; often interchangeable with 做 zuò in set phrases