1.all the time 一直
例句：When on guard duty, you must be alert all the time.
站岗时，你必须一直保持警觉。

2.do one's utmost to V 尽某人最大努力……
例句：We should all do our utmost to protect the environment.
我们都应尽最大努力来保护环境。

3.avoid doing sth 避免……
例句：It was a convenient (and altruistic) excuse to avoid doing what she really wanted to do.
这真的是一个方便又无私的方法，避免了让自己做一些傻事。

4.no one is perfect 没有人是完美无瑕的
例句：No one is perfect. No one. Even if you think someone is, they aren't. Trust me.
没有人是完美的。没有人。相信我，即使你认为某个人是完美的，其实他不是。