on occasion

He translated not only from the French but also, on occasion, from the Polish.

他不仅做法文翻译，有时也做些波兰语翻译。

You have on occasion surprised people.

你有时使人们感到诧异.

On occasion, convulsions may be associated with HC.

偶而,猪瘟可伴发痉挛.

He forgot to do homework on occasion.

有时他忘了做家庭作业.

He was gifted, on occasion, with a gentle raillery, which almost always concealed a serious meaning.

他一有机会, 总爱说一些温和的讥诮言词, 但几乎每次都含着严正的意义.

It is, however, necessary on occasion to work outwith these hours.

然而，有时候在这些时点之外也需要工作。

On occasion he went to London to spend the weekend.

有时他去伦敦渡周末.

She visits the city on occasion.

她有时到城里去.

Everyone should indulge in fantasy on occasion.

每个人都应偶尔沉浸在想像之中.

( By this time, Mr. Lorry dared to be pleasant with her, on occasion. )

( 这时罗瑞先生已经敢于偶然跟她开开玩笑了 )

He treated them seriously and, on occasion, entertained them hilariously.

他对待他们严肃认真，偶尔又逗得他们捧腹不已。

Swift had been as plain and as satirical, on occasion.

斯威夫特的文笔有时同样朴实,同样喜欢讽刺.

Nobody is perfect, and everyone acts thoughtlessly on occasion.

人无完人，谁都难保不偶尔疏忽一次。

In fact the adjective is becoming a real necessity on occasion.

事实上,这个形容词有时确实是必不可少的.

He visits the city on occasion.

他偶尔访问这座城市.