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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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時間， じかん
1. time
2. hour
3. period, class, lesson
时间的单位：小时；小时；时间，时刻
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働く， はたらく
1. to work, to labor, to labour
2. to function, to operate, to be effective, to work (i.e. ... works), to come into play
3. to commit (e.g. a crime), to perpetrate, to do, to act, to practise, to practice
4. to be conjugated
工作，劳动；运作，运行，有效，起作用(即...起作用)，发挥作用；实施（例如犯罪），犯下，做，行动，践行，实践