对开

Traditional form:

對開

Pinyin (reading):

duìkāi

Definitions:

• running in opposite direction (buses, trains, ferries etc)

Characters:

• 对 - correct, right; facing, opposed
• 开 - to open; to start, to initiate, to begin

Traditional characters:

• 對 - correct, right; facing, opposed
• 開 - to open; to start, to initiate, to begin