Used as a measure word for a small or indefinite amount, meaning "some", "a few", or "several"

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

Used after adjectives or certain verbs to indicate a slight degree or a small amount, equivalent to 一点儿 yī​diǎn​r

briefly; for a little while; for a moment