What does it mean when the sharp wind cuts your face like a knife?

And the sharp wind tip cuts your face like a knife, that is, the cold wind blows on your face like a knife.

Cen Can from the Tang Dynasty? The original text of "Shangchuan Farewell to the Western Expedition General Benmahe Song":

Look, how fast the Benma River runs to Xue Hai! And sand, from the desert, yellow flies to heaven.

On the night of the ninth month, there was a cold wind blowing in the wheel tower and the valley, and the valley was full of broken boulders like pecking rice, which went down and forward with the wind.

Despite the dust, the Tatar horse fat, the west of the Jinshan Mountain, and the gathering of smoke and dust, Oh, general of China's army, start your campaign! .

Wear your armor all night and let your soldiers March with rumbling weapons! And the sharp tip of the wind cuts his face like a knife.

The sweat of snow evaporates on horseback, freezing the pattern of five-flowered coins, your challenge from the camp, and the ink bottle from the ice.

It has cooled the heart of the barbarian leader, and you will no longer need a real battle! We are waiting for the news of victory in Xiguan! .

Translation:

Haven't you seen it? The vast Zoumachuan is near the edge of Xue Hai, and the endless yellow sand connects the sky.

In September, the wind roared on the wheel platform all night, and there were rubble as big as buckets everywhere. The wind blew away a bucket full of stones.

At this time, Xiongnu grass was lush and fat, and smoke invaded Shanxi. The generals of the Han family led their troops to the west.

The general does not take off his armor at night. In the middle of the night, the marching spears collided with each other, and the cold wind blew in his face like a knife.

The hair of the horse was covered with snowflakes and sweaty, and the body of the streaky horse suddenly turned into ice, and the ink written on the camp screen was frozen.

When the enemy heard that the army was going out, he was frightened. Anticipating that he wouldn't dare to hand-to-hand combat with us, I waited for the good news at Simon, the automobile engineer.

Extended materials:

The poet is very good at grasping the typical environment and details to describe the heroic and invincible heroism of Tang Junbing. If the environment is night, "don't take off your armor all night", take off your armor at night, and write that the general shoulders heavy responsibilities and sets an example. "Let your soldiers advance with rumbling weapons!" Wrote about marching in the middle of the night Judging from the details of Ge Xiangdu, it is conceivable that the night is dark.

The army rushed in with medals, and the military forces were strictly cleaned up. Writing about the cold in the frontier is not a few hard ice in thousands of feet, but a few details. "and the sharp wind tip cuts the face like a knife" echoes the description of the front wind; It is also the truest feeling of marching in the desert.