查询词典 have trouble doing sth.

be poor at sth. (= be not good at sth：在......不好/ 差

6.lacking in spirit驯服的; 懦弱的; 卑怯的; | be poor at sth. (= be not good at sth.)在......不好/ 差 | the poor穷人(复数)

be obliged to do sth：被迫做某事

feel obliged to do sth.感觉有必要做某事 | be obliged to do sth 被迫做某事 | run after 强调追赶、追求.

be obliged to do sth：不得不(做某事), 必须(做某事)

e.g. be obliged to sb. 感谢(某人) | be obliged to do sth. 不得不(做某事), 必须(做某事) | oblige sb. with sth. 给某人某物

be/feel obliged to do sth：被迫做某事

oblige sd. to do sth 迫使某人做某事 | be/feel obliged to do sth. 被迫做某事 | investigate v.调查

to be occupied with (L：忙于做某事/为....所占据

6) 一定程度上取决于 to depend in some degree on (L.15) | 7) 忙于做某事/为....所占据 to be occupied with (L.19) | 8) 外表....,可内心.... to do /be sth. without and sth. else within (L. 23)

be of one mind about sth：对某事同心协力、意见相同

bear sth in mind 把某事记在心里、记住 | be of one mind about sth 对某事同心协力、意见相同 | be out of one's mind 发狂、精神不正常

be offended by sb. for sth：因某事对某人生气

be of the opinion that...%[]%认为...% | be offended by sb. for sth.%[]%因某事对某人生气% | be offended with sb. for sth.%[]%因某事对某人生气%

be offended with sb. for sth：因某事对某人生气

be offended by sb. for sth.%[]%因某事对某人生气% | be offended with sb. for sth.%[]%因某事对某人生气% | be on to%[]%知道(某人的)意图%

be offended with sb. for sth：因某事而对某人生气

be occupied in 正在做某事 | be offended with sb. for sth. 因某事而对某人生气 | be offended at sth. 因某事而生气

sth be out of control：不受控制

56.sth be under control 某物受到控制 | 57.sth be out of control ...不受控制 | 58.beyond control 无法控制

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