Translation

• to extend one's head (out or into)
• a probe
• detector
• search unit

Examples

• 「你鼻子怎么了？」「我刚才倒车的时候，想探头出窗看清楚后面有没有
  "What happened to your nose?" "When I was backing my car up I went to check behind me, convinced that the car window was open, and bashed my face into it!"