While the swimmer's movements may be smooth and fluid, people have neither fins to stayafloat or generate speed, nor gills to deal with going under.
虽然游泳者的动作可能是平稳和流畅的，但人们既没有鳍来保持漂浮或产生速度，也没有鳃用于在水下呼吸。
2
I had to battle hard just to stayafloat.
我得用力挣扎才能勉强浮住。
《牛津词典》
3
It's Tiffanie Standard, a counselor for young women of color in Philadelphia who want to be tech entrepreneurs—but who must work multiple jobs to stayafloat.