1/sincere釋義：
adj. 真誠的誠摯的真實的
2/例句：
On behalf of the whole family， I offer my sincere apology to you.
我代表全家表達對您真誠的歉意。
The sincere man made a serious promise to his wife.
這名誠實的男子鄭重地向他的妻子許諾。
3/sincere的名詞有：
sincere desire誠心誠意
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