争先恐后

争先恐后 [zhēng xiān kǒng hòu]

1. ■ rush to the fore; elbow one's way through and push others aside; fall over each other [one another]; in a mad rush to be the first; make a headlong rush; rush on to the front; strive to be the first and fear to lag behind; The devil take [catch] the hindmost.; vie with each other in doing sth.; vie with one another to achieve top-notch results