打通 dǎ tōng — to open access
dǎ (third tone, dipping) tōng (first tone, high and level)da3 tong1
to open access
Levels 7–9· 2021 three-band, nine-level proficiency standardverb
Meanings
to open access
to open access; to establish contact; to remove a block; to put through (a phone connection)
verb