pull an all-nighter, to stay up all night working or studying, shortcomings, disadvantages or faults, overreliance, excessive dependence on something, in the pipeline, in the process of being planned or developed, teething problems, initial difficulties with a new project or system, stumbling block, an obstacle or hindrance to progress, on the right track, progressing in a way that is likely to succeed, a dead end, a situation with no hope of progress or success, a long shot, something with a low chance of success, at the leading edge, at the forefront; the most advanced point, think outside the box, to think creatively, without traditional limits, go round in circles, to discuss something without making progress.

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