convenient
单词辨析：
指对某人来说很方便的，能省时省力省事的。
Will it be convenient for you to come this afternoon?
你今天下午来方便吗？
You'll find it very convenient to pay by credit card.
你会发现用信用卡付款非常便利。
We must arrange a convenient time and place for the seminar.
我们必须为这次研讨会安排一个合适的时间和地点。
指适合某一时间、情况、目的等的，常后接介词 for/to。
The situation is not appropriate for an attack.
形势不适合进攻。
We want an education system that is more appropriate to the needs of the students.
我们希望有一种更切合学生需求的教育制度。
It is appropriate to let him do the job.
让他来做这份工作是合适的。
指正确而恰当的，侧重于符合某种标准或习惯，用于此义时只作定语。
Make sure that everything is in its proper place.
务必把每样东西都放在恰当的位置。
She wore proper clothes for the party.
她穿着适合聚会的服装。
You have to know the proper way to clean your teeth.
你必须知道刷牙的正确方法。
相关例句：
With so many people around, it wasn't convenient to have a long talk with him.
在场的人很多，不便和他长谈。
Customers find the 24-hour service very convenient.
日夜服务，顾客称便。
This padded changing bag unzips to form a convenient and comfortable mat for nappy changing.
这种加厚型妈咪袋把拉链打开就是一块方便、舒适的垫子，可给宝宝换尿布。
You can also take red ginseng in convenient tablet or capsule form.
你也可以选择便于服用的红参片或红参胶囊。
Please come for your mail whenever it's convenient.
望便中来取你的邮件。
She will try to arrange a mutually convenient time and place for an interview
她会尽力安排一个双方都方便的时间和地点进行面试。