You'd be hard put to it to make it more cheaply.

你会发现，很难比这价钱更便宜的了。

You'd be hard put to it to justify your behaviour.

你难以证明你的行为是正当的。

I'd be hard put to it to say exactly why I disliked him.

我真说不清楚我为何不喜欢他。

She would be hard put to it to list other films which she liked more.

她很难举出其他一些能使她感到更为满意的电影。

If you have a rock-hard avocado, put it in a brown paper bag on the counter; it'll be good to go in 2 to 5 days.

如果您有一个像岩石一样硬的鳄梨，把它放在一个棕色纸袋里然后再放在柜子上，2至5天后它会变得可以食用。