catch as catch can

He is kind of a walking dead, leading a catch-as-catch-can existence.

他像行尸走肉般地活着, 得过且过.

Try as you might, you can't catch me.

尽管努力，你也抓不到我。

The scientists from MIT noticed how spiders catch their prey1 in the rain by secreting2 a sticky material containing a carbohydrate3 known as polysaccharides that absorb water from the surface of an insect almost instantaneously, leaving a small, dry patch the glue can then stick to.

来自麻省理工学院的科学家们注意到，蜘蛛在雨中捕捉猎物的方法是靠分泌一种含有带电多糖的粘性物质，这种物质几乎可以瞬间从昆虫表面吸收水分，留下一小块干燥的表面，从而黏着猎物。

Setting up some fixed stations and using some instruments ( such as water tube tiltmeter, tiltmeter, tensometer, strainmeter, etc.) to continuously monitor the crustal deformation in order to catch the short-impending precursor which can be used in earthquake prediction.

建立固定形变监测台站进行连续形变的观测（如连通管、倾斜仪、伸缩仪、应变仪等），以捕捉临震的形变前兆信息，用于震前的短临预报。

As a result, it can be difficult to catch and correct errors in included template files.

因此，很难捕获和改正包含的模板文件中的错误。

Politics is rather a catch-as-catch-can business.

政治是一种相当 变幻莫测 的事务.

Hugh was leading a catch-as-catch-can life , working as an itinerant handyman.

休靠当流动临时工凑合着过活.

We went hitchhiking for two weeks and lived catch-as-catch-can.

我们搭便车旅行两周,生活过得马马虎虎.

We need to catch all your creatures so he can't keep using them as a scapegoat.

我们得尽早把你的动物找回来这样他就不能拿它们当挡箭牌了