知難而退 [ㄓ ㄋㄢˊ ㄦˊ ㄊㄨㄟˋ; zhi1 nan2 er2 tui4] to sound out the difficulties and retreat to avoid defeat (idiom); fig. to back out of an awkward situation to get out on finding out what it's really like ◄ ►
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