A son and his wife and their three children--my grandchildren.
有个儿子, 还有儿媳妇以及他们的三个孩子,我的孙儿女们。
Learn to say before you sing.
按部就班。
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.