I like to listen to the music and to play piano and occasionally to go swimming.
我喜欢听音乐、弹钢琴,有时候去游泳。
I guess that's Ok. What time should I check in?
我想这正合适。我应该什么时候去办理登机手续呢?
The early climbers were looking for the easiest way to the top, because the summit was the prize they sought, especially if it and never been attained before.