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keep an eye on someone：密切留意某人

In a pig's eye 废话 | Keep an eye on someone 密切留意某人 | Keep one's eyes peeled 留心,警惕

keep an eye on sth：照看;密切注视

go through a lot of money 花了很多钱 | keep an eye on sth. 照看;密切注视 | keep in mind 记住

keep sb. at a distance：冷淡某人,与某人保持距离

keep one's distance保持距离 | keep sb. at a distance冷淡某人,与某人保持距离 | distinguish oneself表现杰出,使受人注意

keep sb. at a distance：与某人保持一定的距离,不愿与某人亲近

in the distance在......距离内 | keep one's distance保持一定距离,对(人,事业)等冷淡,疏远 | keep sb at a distance与某人保持一定的距离,不愿与某人亲近

keep sb. at a distance：对某人保持疏远

keep one's distance from 避开, 不接近 | keep sb. at a distance 对某人保持疏远 | know one's distance 知道自己的地位、身分; 避免不适当的亲近

keep sb at a distance/keep away from sb/don't get too close to sb：和某人保持距离

危险的 dangerous | 和某人保持距离 keep sb at a distance/keep away from sb/don't get too close to sb | 站着说话不腰疼It's easy to be brave at a distance

keep at sth：不停地做

talk at 指桑骂槐;影射某人 | keep at sth.不停地做 | keep at it 不要放弃

keep sb at sth：使某人继续做某事

for keeps 永远 | keep sb at sth 使某人继续做某事 | keep sb in 留下;把(学生)关学

keep sb at sth：使某人接续做某事

for keeps 永远 | keep sb at sth 使某人接续做某事 | keep sb in 留下;把(学生)关学

keep sb at sth：使某人做事坚持下去

keep at it 不要放弃 | keep sb. at sth.使某人做事坚持下去 | call at 拜访某地

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