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Phrase(s): trickle through (something)
1. Lit. [for a liquid] to seep through something. • The water trickled through the cracked windowpane. • They taped the glass, but the water trickled through anyway. 2. Fig. [for someone or something] to move through something little by little. • The people trickled through the door into the store in far smaller numbers than we had expected. • They trickled through very slowly.
McGrawhill's American Idioms And Phrasal Verbs