fēng​chuī​qiáng​tóu​cǎo​liǎng​biān​dǎo

opportunist

Senses

风吹墙头草,两边倒/ 風吹牆頭草,兩邊倒 fēng​chuī​qiáng​tóu​cǎo​liǎng​biān​dǎo opportunist

a person who wavers between two sides and follows whoever is in power at the moment; literally grass on top of a wall sways as the wind blows

References

see 风吹墙头草/風吹牆頭草 风吹墙头草,两边倒/風吹牆頭草,兩邊倒