He was called a crank at first.

一开他被叫做思想怪异者。

Under interrogation, he refused to say anything at first.

一开审问的时候，他什么也不说。

At first hearing I didn't like the music.

第一次听这个音乐时, 我不喜欢它。

He was cross at first, but later he relented.

他起初很生,变温和了。

At first, he thought he had mistaken the address.

一开他以为地址搞错了。

Beethoven at first dedicated his Heroes Symphony to Napoleon.

最初贝多芬把他的《英雄》交响曲献给了拿破仑。

The drugs work well at first but gradually lose their effectiveness.

这些药的效果起初非常好，但逐渐失效。

At first she threatened to dismiss me, but later she relented.

起初威要解雇我, 但态度软化了。

At first, the drug does no harm, but cumulatively its effects are bad.

这药开人没有害处，但连续服用果就坏了。

The new law about safety belts in cars was difficult to enforce at first.

规定系汽车安全带的新法规开时是很难实施的。

At first she was very nervous about making the crossing in such stormy weather.

一开在这样的暴风雨天横渡颇为紧张不安。

In this paper, at first, the author discussed the geologic setting of uraniferous migmatite.

含铀混合岩大部分位于古陆隆起带边部、NW向花岗岩外接触带。

Rather quiet at first, she grew very talkative over her second glass of sherry.

一开相当沉寂，但在喝第二杯雪利酒时开变得非常健谈。

At first I enjoyed all the parties, but the novelty soon wore off.

起初我喜欢参加一切聚会, 但这种新奇感很快就消失了。

He made progress in fits and starts at first but now he’s improving rapidly.

开时，他的进步时断时续，但现在提高得很快。

The responses of respiration to hypoxia is diphase,that is respiratory excitatory at first,then respiratory depression.

呼吸缺氧的反应都是双相的,即先兴奋抑制。

King is at first slip.

金处于第一防守位置。

I acted dumb at first.

我开时有意沉默。

When she came to see the interviewer, Jone was nervous at first but soon composed herself.

琼会见面试人时最初很紧张,但很快就镇定下了。

He tried to buffalo me at first meeting but I soon caught on to his tricks.

初次见面时他企图欺骗我, 但是我很快就明白了他耍的花招。