fast adj., adv.
VERBS be, seem Her pulse seemed very fast.
ADV. exceptionally, extremely, really, remarkably, surprisingly, very I should make a very fast profit on these. | a bit, fairly, a little, pretty, quite, reasonably, relatively I suppose delivery in two days is quite fast really. | amazingly, blindingly, incredibly, unbelievably He came round the corner blindingly fast. | dangerously
fast adj., adv.
VERBS be, seem Her pulse seemed very fast.
ADV. exceptionally, extremely, really, remarkably, surprisingly, very I should make a very fast profit on these. | a bit, fairly, a little, pretty, quite, reasonably, relatively I suppose delivery in two days is quite fast really. | amazingly, blindingly, incredibly, unbelievably He came round the corner blindingly fast. | dangerously
fast noun
ADJ. long | brief
VERB + FAST go on, keep, observe All members of the religious community keep these fasts. | break In the evening the people break their fast.
You can also check other dicts: fast (English, 中文解释 ), wordnet sense, Collins Definition