查询词典 have trouble doing sth.

to derive sth. From sth.: obtain sth. from sth., get sth. from sth：从...得到

preside over sth: be head of sth., be responsible for sth.主持,负责 | to derive sth. From sth.: obtain sth. from sth., get sth. from sth.从...得到 | to motivate: stipulate the interest激发

assist sb with sth/to do sth/in doing sth：帮助某人(做)某事

launch an attack 开始攻击 | assist sb with sth/to do sth/in doing sth 帮助某人(做)某事 | cooperate with sb in doing sth= cooperate with sb to do sth= cooperate with sb on sth 与他人合作/协作

be used to doing sth/be accustomed to doing sth：习惯做某事

be used to do sth/get used to do sth/be used for sth 被用来做某事 | be used to doing sth/be accustomed to doing sth 习惯做某事 | be willing to do sth/be unwilling to do 愿意做某事/不愿意做某事

be sure to do sth / of doing sth：确信做某事/ 对做某事有把握

某物需要做某事 sth need to be done/ sth need doing sth | 确信做某事/ 对做某事有把握 be sure to do sth / of doing sth | 记得做某事(未做) remember to do sth

sth be used as sth：某物当某物使用

7.某物用来干.. be used for sth/doing sth be used to do sth | 8.某物当某物使用 sth be used as sth | 9.习惯于干某事 sb be used to doing sth

go about doing sth. : start to work at sth.; set about doing sth：着手处理,开始做

make an attempt to do sth. : make an effo... | go about doing sth. : start to work at sth.; set about doing sth.着手处理,开始做 | provide for sth. : make arrangements to deal with sth. that might happe...

C see sb doing sth：看见某人正在做某事";stop to do sth,停下来去打

34.C there be sth left,"有...留下来" | 35.C see sb doing sth,"看见某人正在做某事";stop to do sth,停下来去打110. | 36.C Would you mind doing sth,"你是否介意做某事";how to do sth,"怎么做某事"

enjoy oneself doing sth：作某事很开心

24. have fun doing sth 作某事很开心 | 25. enjoy oneself doing sth 作某事很开心 | 26. have a good time doing sth 作某事很开心

have/got trouble doing sth：干...有困难

31.enjoy doing sth.喜欢干某事 | 32.have/got trouble doing sth.干...有困难 | 33.try to do sth.尝试干某事

have trouble /problem doing sth：费劲的做某事\做某事有困难

2.be the best way to do sth 是做某事的最好方法 | 3.have trouble /problem doing sth费劲的做某事\\做某事有困难 | 4.end up sth/doing sth 结束某事/做某事

longitudinal induced voltage：纵向感应电压

longitudinal impedance 纵向阻抗 | longitudinal induced voltage 纵向感应电压 | longitudinal magnetic field 纵向磁场

refrigerant circuit：冷凍迴路

冷冻剂 refrigerant | 冷冻回路 refrigerant circuit0 | 冷冻活性碳床 refrigerated charcoal bed