1.
A militiaman happened to notice the rascal.
一位民兵偶然注意到了这个坏家伙。
2.
the practice of casually mentioning important people in order to impress your listener.
偶然提及重要人物以便引起听众注意。
3.
Occurring unexpectedly, unintentionally, or by chance.
意外的，偶然发生的
4.
a casual or unexpected convergence.
偶然的或意外的相遇。
5.
a person who passes by casually or by chance.
偶然或意外经过的人。
6.
An accidental or unpredictable event.
偶然的事，意想不到的事
7.
Dependent upon or characterized by mere chance.
偶然的或带任意性的
8.
The root of all superstition is that men observe when a thing hits but not when it misses.
迷信的根源，在于人们只注意到有些事的偶然发生，却忽略了有些事从未发生。
9.
She responded in spite of herself to the antics of the puppy). To
她不由自主地注意起那些古代木偶)。词
10.
find sb/sth unexpectedly or by chance
意外地或偶然地发现某人[某事物
11.
He did it whether by accident or design.
不知道他是偶然还是有意做了这件事。
12.
To meet another usually by accident.
偶然遇见经常是无意中遇见别人
13.
We don't know if it was done by accident or by design, ie deliberately.
我们不知道那是偶然的还是故意的.
14.
accidentally on purpose
((口语))假装偶然而其实故意地
15.
Now, chance means nothing of the kind.
如今，偶然并不表示这样的意义。
16.
I overheard them say they were dissatisfied.
我偶然听到他们说, 他们不满意。
17.
The tone of the Cabinet is veered by every incidental change of war.
内阁因战况的偶然变化而改变意见。
18.
Behind Contingency and Coincidence --Re-decoding the Life Awareness in Hardy s Novels;
偶然与巧合——哈代小说生命意识再解读