Convenient  adj. 便利的, 方便的  【词形变化】  副词: conveniently
【语法用法】
convenient的意思作“使人感觉方便的”，而不是“感觉方便的”。

It is convenient for him to call on her.而I am convenient to call on him的用法是错误的。
双语例句
But they are not as convenient as the subway. 但是它们并不像地铁这样方便。
This place should not only be convenient but also elegant. 这个地方应该不仅是方便的，而且典雅。
This is really convenient if you already have all of your feeds stored there. 这实在是方便，如果你已经拥有了自己所有的饲料储存在那里。