Sound, light, smell, the beds too soft or too hard, too high or too low indoor temperature, mosquitoes, flies or tick bites, etc., will interfere with sleep.

声音、光线、气味，床铺太软或太硬，室内温度太高或太低，蚊、蝇或虱的叮咬等，都会干扰睡眠。

youdao

He's very understanding: if I'm hard up by the middle of the week he'll always let me have a few groceries on tick till Friday.

他很会体谅人：要是我们到星期二左右手头紧了起来，他就赊给我一些食品杂货，直到星期五再付款。

youdao

It's hard to make a love connection when people can't figure out what makes you tick.

当别人不晓得你须要什么时，很难与你交友人。

youdao

Since we launched We the People, our team of developers has been hard at work on the code that makes the whole thing tick.

WHITEHOUSE: Our Top Stories

As I counted the hours on my last day at Desert Rhino Camp, I tried hard to remind myself of why I was there: to learn about rhino conservation, not to tick off a sighting.

BBC: Saving rhinos in Namibia

But as the seconds tick away to the firing up of a revolutionary new British space engine, it's hard not to speculate on its chances of success.

BBC: Skylon: A British dream of space