老汉: old man, I (an old man referring to himself)...
足以: sufficient to..., so much so that, so that...
签订: to agree to and sign (a treaty etc)...
肥胖: fat, obese...
绝缘: to have no contact with, to be cut off from, (electricity) to insulate...
廉政: honest or clean politics...
演练: to do a drill, to practice, training, drill...
调研: to investigate and research, research, investigation...
逾期: to be overdue, to fail to meet a deadline, to be behind in doing sth...
账户: bank account, online account...