swifter , swiftest
A swift event or process happens very quickly or without delay.
quick
Our task is to challenge the UN to make a swift decision.
我们的任务是敦促联合国迅速做出决定。
Something that is swift moves very quickly.
With a swift movement, Matthew Jerrold sat upright.
马修·杰罗德迅速坐直了。
swifts
A swift is a small bird with long curved wings.