bā xiān guò hǎi，gè xiǎn shén tōng
The Eight Immortals cross the sea, each reveals its divine power
Indicates the situation that everybody shows off their skills and expertise to achieve a common goal.
The Eight Immortals are on their way to the Conference of the Magical Peach and encounter an ocean. Instead of using the clouds to traverse it they decide to each contribute their special power in the joint effort of crossing the ocean.