順風

lit. tail wind / Bon voyage!

to obey / to follow / to arrange / to make reasonable / along / favorable

wind / news / style / custom / manner / CL:陣|阵[zhen4],絲|丝[si1]

to have a pleasant journey (idiom)

sb with preternaturally good hearing (in fiction) / fig. a well-informed person

vehicle that gives one a free ride / (fig.) (ride on sb's) coattails / (take advantage of) an opportunity

to act according to whatever is the current outlook / pragmatic / unprincipled