I'll represent to him the risk he is running.

我要向所面临的险境。

The four personnel on the handline would have been better used with two on the handline and two doing rescue and relocating the injured away from the dangers.

四位元消防人员手喷头的情况，可以更好地修正为两位手喷头，另两位从险境中将伤员救。