feel sure of oneself的用法和樣例：
例句
- He's not so sure of himself these days.
他近來不大有自信。 - "A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
"科幻小說不能簡單地看成是供消遣的，而實際上它給讀者展示更深刻的內容。" - We are confident in our expectation of a full recovery.
我們滿懷信心地期待著完全康復。 - Mr. Chamberlain's loyalty and support was steadfast , and I was sure of myself.
張伯倫先生對我的忠誠和支持是始終不渝的，我對自己滿懷信心。
