1. They were more socially competent and self-confident, and better able to cope with life's frustrations.
    他们的社会生活能力更强，也更有自信心，能更好地应付生活中的各种挫折。

2. I´m far from being competent. I can hardly earn any money.
    我一点也不能干, 我几乎赚不到钱.

3. I did not criticize her acting, inasmuch as I really did not feel competent.
    我没有去评论她的演技, 因为我确实觉得自己在这方面并不在行。

4. In the U. S., however, it is taken as a sign of skillfulness or being competent to solve a problem, or fulfill a job successfully, with speed.
    但在美国，能迅速而又成功地解决问题或完成工作，则被视为是有水平、有能力的标志。