1. depress vt. 使沮丧, 压低, 降低, 使萧条
I feel depressed.
我感到沮丧。
2. blow up 爆炸
The terrorists are threatening to blow up the hijacked airliner.
恐怖分子扬言要炸毁劫持的客机。
3. hitchhike vi.搭车旅行
From there, he hitchhiked to Paris in a lorry.
他从那里又搭上了一辆货车去巴黎。