1.A serial killer is on the loose!

1.有个连环杀手正逍遥法外！

2.I'm sorry you've had a wasted journey.

2.抱歉劳你白跑一趟。

3.Several small businesses consolidated to form a large powerful company.

3.几家小企业合并成了一家实力雄厚的大型公司。

4.Viewed from the top of Mount Tai, the sunrise was indeed a spectacle.

4.从泰山顶上看去，日出真个奇观。

5.A mule is a cross between a mare and a donkey.

5.骡子雌马和驴的杂交种。

6.A tiglon is a cross between a lion and a tiger.

6.虎子和虎的杂交种。

7.A tigon is a cross between a tiger and a lion.

7.虎虎和子交配的产品。

8.A small room; a cubbyhole; a small secluded room; a small compartment.

8.有小房间，小间（橱），隐蔽的小房间，等等意思。具体看上下文而定。

9.A picture of a cat on a log is a rebus for catalog.

9.谜画中有一只猫(cat)站在一块木头(a log)上, 谜底catalog(目录)。

10.I'm a renegade, a turncoat, a Scalawag.

10.我个叛徒，变节者，流氓。

11.A dime is a tenth of a dollar.

11.一角银币十分之一美元。

12.A chair consists of a seat with a back.

12.椅子由椅座和椅背构成的。

13.A tenant occupies a flat, a building, a farm, etc but does not own it.

13.* tenent （房客或佃户）占用公寓、建筑物、农场等，但并非所有者。

14.When a catalytically active enzyme forms a complex with a cofactor a holoenzyme is produced.

14.酶蛋白和辅助因子两者结合成完整分子时，形成具有活力的全酶。

15.A mole is a blemish on a person's skin.

15.黑痣在人的皮肤上一个疵点。

16.I saw a man leveling a gun at a crow.

16.我看见一个人正用枪瞄准一只乌鸦。

17.A coin has two sides,a head and a tail.

17.硬币有正反两面。

18.A larva metamorphose into a chrysalis and then into a butterfly.

18.幼虫变为蛹，然後再变成蝴蝶。

19.A catalyst is a substance which speeds up a chemical reaction.

19.催化剂一种能加速化学反应的物质。

20.It is a legal fiction that a corporation is a person.

20.把团体法人当作一个人一种法律上的假设。