There, by day as well as by night, he is on the watch for his prey.

无论白天或黑夜，老虎都在那里等待猎食。

But from the earliest possible moment when it might arrive, William was on the watch for it.

但从邮件可能到达的最早时刻起，威廉就守望着它。

With Bill's warning in mind, Harry could not help suspecting that Griphook was on the watch for possible skullduggery.

有了比尔诚心的提醒，哈利不得不怀疑拉环在时刻监视着他们任何可能采取的诡计。

Be on the watch for anything suspicious.

【watch】注意任何可疑情况。

Somebody should be on the watch.

应该有人守望。

" It's only a little way out, an' we'll be on the watch; so come along, Trot" .

“离出口只有一小段路了， 我们会守候的； 所以过来吧， 小跑” 。

I don't know what, but I'm on the watch for it, and mean to astonish you all some day.

我不知道是什么，但我正在等待它，并打算有一天让你们大吃一惊。

When an army is encamped near a jungle, the men require to be on the watch, for sometimes a tiger springs out.

军队在丛林扎营时要派人放哨，因为有时会跳出老虎来。

They were on the watch for him, and would fly down from the green tree tops to greet him with their chirp.

它们站在枝头观察他，也会从枝繁叶茂的树上飞下来，用唧唧喳喳的啁啾声和他打招呼。

He said that the words on the spider's web proved that human beings must always be on the watch for the coming of wonders.

他说蜘蛛网上的字证明，人类必须时刻注意奇迹的降临。

Malfoy obviously hadn't expected more people to be on the watch; he seemed to have exhausted his supply of Darkness Powder, at any rate.

马尔福显然没有料到有这么多人放哨，他似乎很快用完了他的隐身烟雾弹。

As he went, despite the stream of merry chatter about the relative merits of waterproof fabrics, or the perfect pH of beer, he was on the watch.

尽管他生前开过许多关于防水织物相对优点，啤酒最佳酸碱度的玩笑，但他走后还是守望着这些大山。

But he sternly charged the police to be on the watch; for the swift right arm of the law should be in readiness to strike, as soon as they could prove a fault.

但他严厉地嘱​​咐警察要严阵以待；因为法律的右手应该随时准备出击，只要他们能证明是错误的。

Sir James, indeed, though much relieved concerning Dorothea, had been on the watch to learn Ladislaw's movements, and had an instructed informant in Mr. Standish, who was necessarily in his confidence on this matter.

的确，詹姆斯爵士虽然对多萝西娅的事松了一口气，但他一直在监视着拉迪斯拉夫的行动，并且在斯坦迪什先生那里有一个受过指导的线人，他在这件事上必然是他的秘密。