形容詞 head on:

1. characterized by direct opposition
   同義詞：head-on
2. meeting front to front
   同義詞：frontal, head-on

副詞 head on:

1. in direct opposition; directly
   同義詞：head-on
2. with the front foremost
   同義詞：head-on

1. He pillowed his head on her lap.
   他把頭枕在她的大腿上。
2. That low beam is a menace! I keep hitting my head on it.
   那條低梁真危險! 老磕我的頭。
3. She nestled her head on his shoulder.
   她將頭依偎在他的肩上。
4. I cracked my head on the low door-frame.
   我的頭撞在低矮的門框上了。
5. Mind you don't bump your head on the low ceiling.
   天花板很低，留神別碰頭。
6. The hunter put the lion's head on the wall as a trophy.
   獵人把獅子的頭掛在墻上當紀念品。
7. He fell and hit his head on the corner of a box.
   他跌倒時，頭碰到箱子的一角。