In smoggy weather, the machine would breathe in the air in front of the bike and blow out a stream of clean air toward the biker's face.

在有雾霾的天气里，机器会吸进自行车前面的空气，然后向骑自行车的人的脸上吹出一股清新的空气。

youdao

There are a lot of difficulties in front of us, yet we still have faith in victory.; we are in the face of difficulties, yet we still have faith in victory.

虽然面临许多困难，然而我们对胜利仍充满信心。

《新英汉大辞典》

In the picture on the front page of the newspaper, the face is an angry pumpkin, Japanese demon, dragon of avarice hanging in the sky, and the smoke is a witch's eyebrows or devil's horns.

在报纸的头版的封面图片上，那脸就像是万圣节的南瓜灯，日本的恶鬼或者是天空中贪婪的恶龙；而浓浓的黑烟就像是巫婆的眉毛或是魔鬼的犄角。

youdao

The doctor says you should point the device so the flow of air is just in front of your face.

VOA: special.2009.07.14

In the face of a hawkish Republican rival and in front of an electorate that is in parts fiercely pro-Israel, Mr Obama may feel he has to welcome, or even build on, an Israeli fait accompli in a way he would not have done earlier and might not do after his re-election, should it come about.

ECONOMIST: Attacking Iran

During the chant they walk through the church towards the chancel, the singer carrying a sword in his or her hands, held upright in front of the face, while the altar boys or girls carry candles.

UNESCO: Culture

The scientists found that parts of the spine thought to face the front of the animal, in fact faced the back - and vice versa.

BBC: Science & Environment