What we worry about is just that you are too self-confidence.
我们所担心的只是你太自信了.
"If one once loses self-confidence,he can never expect to be successful."
＂一个人一旦失去了自信心,就甭想获得成功.＂
We can see his self-confidence from the way he holds the bow.
我们从他执弓的方式可以看出他的自信.
.With an air of self-confidence,he walked directly to the big machine.
他带著自信的神情,径直朝那台大机器走去.