1.attend (参加)→be involved in;participate in 2.cause(导致)→lead to;result in;contribute to;give rise to 3.consider(考虑)→take...into consideration/account 4. try one‘s best to do sth.(尽力做某事)→spare no effort to do sth./do everything in one's power to do sth. 5.help (帮助)→do...a/the favor;lend...a helping hand 6.master(掌握)→have a good command of 7.realize(意识到)→be aware of 8.remember(记得)→bear/keep in mind 9.save(节省)→set aside