One can't help him , no matter how one tries.

He tried without success to dismiss her / her memory from his thoughts.

他尽量不去想她,然而无济于事.

No matter how we alter the microscope, we cannot improve matters.

无论我们怎样改动显微镜都无济于事.

I tried to explain it to the psychiatrist, but without much success.

我竭力向精神病学家解释, 但是无济于事.

He spent all his life in dropping buckets into empty wells.

他一生都是把水桶投入空井,做了些徒劳无益的事情.

However, in the past, these attempts were usually futile.

但是, 在过去, 这些尝试通常徒劳无益.

The most futile thing in this world is any attempt, perhaps, at exact definition of character.

世界上最徒劳无益的事情, 也许就是企图给性格下个正确的定义.

It had been useless to run, as the nearest cover was far beyond reach.

这时要逃也徒劳无益了, 离得最近的藏身处也远不可及.

It's useless arguing / to argue with them.

跟他们争论是徒劳无益的.

His analysis of political order had immediate , real-world applications.

他对政治秩序的分析有着立竿见影的现实应用.

So once again, China needed growth and they needed it now.

因此, 中国再一次迫切需要经济增长,而且是立竿见影的增长.

Such method often can quick results, receives the effect.

这样的方法往往能够立竿见影, 收到奇效.

The athlete may not see an immediate tangible improvement in performance.

运动表现可能不会出现立竿见影的提高.

In America the effects were immediate.

在美洲,这种功效是立竿见影的.

His stance was relaxed.

他悠然自得地站着.

She seemed very relaxed in her natural setting as it were.

她似乎十分悠然自得--可以说是有自己随遇而安的天地.

She seemed very relaxed ---- in her natural setting as it were.

她似乎十分 悠然自得,可以说是随遇而安.

A hairy crab is leisurely making bubbles in the water.

一只大闸蟹在水中悠然自得地吐着泡泡.

The performer seemed quite at home anywhere between a horse's head and its tail.

这个表演者躺在马的头尾之间就象在家里那样悠然自得.

He did everything in a leisurely manner.

无论干什么,他都是悠然自得的.

The sight of his composure had a disturbing effect on Lily.

他这泰然自若的神情倒使丽莉有些心慌.