keep sb in line 使…某人规规矩矩

keep sb in suspense 使某人产生悬念

keep in touch with sb 与某人保持联系 ; 和某人保持联系 ; 与某人保持联络

keep sb in shape 保持体形

keep sb in touch 相互保持联络

keep in with sb 与某人友好相处

keep in contact with sb 与某人保持联络