1. The arrow embedded itself in the wall.
    箭牢牢地扎进墙里.

2. The heavier the arrow, the greater its penetration into the target.
    箭越重, 射入靶子越深。

3. The heavier the arrow, the greater its penetration into the target.
    箭越重, 射入靶子越深。

4. The expedition carried a little flour and sugar, but mostly they relied on the fish that Pinero caught with his harpoon and the game that was shot with bow and arrow, using the campfire to grill meat or cassava cakes.
    探险队在旅途中只带少量的面粉和糖，通常是德派因罗用渔叉叉鱼，用弓箭猎取野味，他们在篝火上烤肉吃，也做木薯饼。

5. An untruthful answer gives authorities another arrow for their attorney's quiver.
    一个不真实的回答会给当局者的律师提供又一个整人的口实。

6. Slowly he raised the bow, pulled back the cord, and after taking careful aim, let the arrow fly.
    他慢慢地端起弓,绷紧弦,仔细瞄准以后, 把箭射出去了.

7. Slowly he raised the bow, pulled back the cord, and after taking careful aim, let the arrow fly.
    他慢慢地端起弓,绷紧弦,仔细瞄准以后, 把箭射出去了.