1.
His success is assured.
他取得成功是无疑的。
2.
It is certain that he can succeed.
他会成功是无疑的。
3.
Mathematical knowledge was certain.
数学知识是确定无疑的。
4.
Differentiating and analyzing the one-sided views of "all-round development;
无疑中有疑——“人的全面发展”辨
5.
His allegiance has never been questioned.
他的忠心是毫无疑问的。
6.
His sincerity is undoubted.
他的诚意是无容置疑的。
7.
There is no question about his honesty.
他的诚实是毫无疑问的。
8.
There wasn't the slightest suspicion that he was a spy.
他毫无间谍的嫌疑。
9.
baseless fears, rumours, suspicions
无根据的恐慌、 谣言、 怀疑.
10.
unimpeachable honesty, behaviour
无可怀疑的诚实、 行为
11.
Without doubt this is the best.
无疑地这是最好的。
12.
She could not get the puzzle out of her mind.
她无法解开心中的疑虑。
13.
Doubtlessly, he was the strongest.
他无疑是最强有力的。
14.
There is no doubt that he is guilty.
毫无疑问，他是有罪的。
15.
There is no doubt of (or, as to) his being guilty.
毫无疑问他是有罪的。
16.
Col's unquestionable "right".
科尔无庸置疑是“正确”的。
17.
There is no question about her diligence.
她的勤勉无庸置疑。
18.
There is no doubt that such facts exist.
这些事实无疑是存在的。