查询词典 have trouble doing sth.

D. have trouble/difficulty in doing sth.

做什么事费力，费劲。

Have trouble / difficulty in doing sth

下一篇没有了

Have no trouble in doing sth .

做某事没困难

Sb. have some difficulty/ trouble in doing sth.

做某事没优点/作用。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。