某事

Get someone off your back - to stop someone trying to force you to do something, or to stop someone criticizing you.

停止别人强迫你做某事；停止别人批评你

Be /get involved in sth./ with sb.

与某事/某人有牵连。

Be/get engaged in doing sth.

着手做某事，从事

Get engaged in doing sth.

忙于做某事

Get difficulty in doing sth.

吃力地做某事

Form/give an impression of sth.

对某人/某事形成一个印象。

Give in to sb./sth.

向某人/某事屈从 2。

Give up doing sth = stop doing sth.

放弃做某事

Give up doing sth.

放弃做某事。

So it's very important once you've given up something, to stay out of it and not fix it if it goes wrong.

所以，很重要的是，你一旦把某事交出去了，就不要再介入，错了也不要去纠正。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。