it's

It's not worth the paper it's printed on.

它(文章等)价值抵不上用来印它纸张。

It's not real leather; it's only an imitation.

那不是真皮, 只不过是仿制品。

No, it's not mine; it's been knocking about the house for years.

不, 那不是我, 好几年了这本书就扔在屋管。

Phew... it's hot in there. -Hah! It's done. -Cook! Cook! -Your Hasenpfeffer.

嘘……在那面太热了。-哈！大功告成。-厨师！厨师！-你腌泡汤炖兔肉。

It's true that it's a comfortable car, but it eats up the petrol.

这辆车确实舒服, 但耗油量太大了。

English weather is very inconsistent; one moment it's raining and the next it's sunny.

"英国气反复无常,一会儿下雨,一会儿又放晴。"

It's too late to go to the basketball match now; besides it's beginning to rain.

现在去看篮球比赛已经太晚了, 何况, 又开始下雨了。

It's raining again — what miserable weather!

又下雨了，多烦气！

It's a pity the two concerts clash.

真可惜，两个演奏会时间冲突了。

It's very agreeable to have you here.

有你在这很令愉快。

Thank heavens, it's cooled off a little.

谢谢地, 气总算凉快一点了。

It's beyond the reach of human aid.

那是力所不及。

It's very rude to spit at someone.

向吐唾沫是非常粗野行为。

It's very cold in the polar regions.

南北极地带是很寒冷。

It's possible to break with old habits.

改掉老习惯是可能。

It's been a mild winter this year.

今年冬不冷。

It's necessary for us to study hard .

我们必须努力学习。

It's wrong to sacrifice quality to quantity.

牺牲质量去追求数量是错误。

It's the big moment in my life.

这是我一生中重大时刻。

It's my pleasure to help you.

帮助你是我快乐。