顺利的英文是smoothly。
例句：
1、面谈进展顺利。
The interview went smoothly.
2、一切进行得都顺利吗？
Did everything go smoothly?
3、不同的部件都必须能顺利接合。
The different components all have to interface smoothly.
4、她说一切进展顺利。
She says everything is going smoothly.
5、成功有保证了，至少该系统一开始运行得挺顺利。
Success was assured and, at least to start with, the system operated smoothly.
夹心大便
