B (一齊) 一齐 yi4qi2 
at the same time/ in unison 
zur gleichen Zeit, simultan C (一面…一面) 一面拔 yi1mian4_ yi1mian4
all-way-peace-safe/ have a safe trip
zur gleichen Zeit…und… D (七嘴八舌) 七嘴八舌 qi1 zui3 ba1 she2
all talking at once
alle reden zur gleichen Zeit D (與此同時) 与此同时 yu3 ci3 tong2 shi2
at the same time
zur gleichen Zeit
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與 与 and / with / to / for / give, grant
此 此 this, these / in this case, then
同 同 same, similar / together with
時 时 time, season / era, age, period
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D (七嘴八舌) 七嘴八舌 qi1 zui3 ba1 she2 all talking at once alle reden zur gleichen Zeit