peter out phrasal verbphr v STOP HAPPENINGto gradually become smaller, less, weaker etc and then come to an end 逐渐变小;逐渐减少;逐渐消失 The road became narrower and eventually petered out. 那条路越来越窄,最后消失了。
Public interest in the environment is in danger of petering out. 公众对环境的关注有可能会逐渐减少。
peter out• By midday the rain had petered out.• The protest campaign petered out after a few weeks.• The road petered out into a muddy track.
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