betting against
对赌
I bet against the feasibility of the plan.我打赌断定这个计划行不通。
Investors are betting against the one-time hero.投资者把赌注全押在这位昔日英雄身上。
Should You Bet Against the Dollar?你是否应该赌一把美元?

expression softened
表情缓和下来
An expression of pain flitted across her face.她脸上闪过一种痛苦的表情。
He always shows a doleful expression.他总是露出忧郁的表情。

humorlessly
缺乏幽默感地；非常严肃地；一本正经地
Most of these books are humorless.
这类书大多枯燥无味。
Does the writer sound crooked or honest, humorless or playful?
作者是盗名窃誉还是实事求是?是枯燥无味还是妙趣横生的?

give in
屈服；投降；让步；呈交
Don't give in now, ' she urged.
先别认输，她鼓励道。
The enemy were forced to give in.
敌人被迫投降。

furious expression
狂怒的神情
There was a furious knock at the door.有人在猛烈地敲门。
The maths teacher was furious and gave me 50 lines.数学老师气坏了，罚我抄书50行。
I was annoyed, indeed furious, over what happened.出了这件事我很不痛快,实际上是愤怒至极。

sack of fluids
输液袋
Now, as to vegetable, give me a sack of potato.至于蔬菜么，就给我一袋土豆吧。
This sack of potatoes is five kilos light.这袋土豆少五公斤。
He hiked up a sack of grain on his shoulder.他把一袋粮食举上肩。