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一気に， いっきに
1. in one go, in one gulp, in one breath, without stopping, without pausing, without a rest, in one sitting, at a stretch
2. suddenly, all of a sudden, all at once
连续不断，一口气；突然
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進む， すすむ
1. to advance, to go forward
2. to precede, to go ahead (of)
3. to make progress, to improve
4. to deepen, to heighten
5. to be fast (of a clock), to be ahead
6. to do of one's own free will
进展，推进；前行；进步；深入