We covered his retreat with bursts of gunfire.

我们集中火力掩护他撤退。

They used a front organization to hide their trade in forbidden goods.

他们利用掩护组织买卖非法货物。

Our infantry was protected by a curtain of artillery fire.

我们的兵在炮兵火力掩护之下。

The army mounted the invasion under cover of darkness.

军队在夜色的掩护下发动攻击。

That store was a front for foreign agent.

那家商店是为外国掩护的。

They operated under the umbrella of the police.

他们在警方的掩护下采取了行动。

The commandos pushed forward under the covering fire of their artillery.

突击队在炮兵的火力掩护下向前推进。

The invaders attacked under a cloak of fog.

侵略者在大雾的掩护下发动了进攻。

Artillery fire supported the infantry attack.

炮火掩护兵进攻。

They hoped to get into the enemy fortress under cover of darkness.

他们希望在夜幕的掩护下进入敌人的要塞。

He used his job as a screen for his spying activities.

他利用他的工作作掩护进行活动。

Some claimed that the doctor's union fronted for the smuggling ring.

有人说医师公会是走私集团的掩护。

Some claimed that the docker’s union fronted for the smuggling ring.

些人声称码头工人工会是走私集团的掩护所。

One person bumped into me as a feint while the other stole my wallet.

一个人撞了我一下作掩护，而另一个人偷了我的钱包。

She couldn’t answer the question, so she tried to put up a smokescreen by talking angrily about the interviewer’s rudeness.

她回答不了这个问题，于是就生气地评论起采访者的无礼，以此做掩护。

Luke Medlin, who was sweeping the alley for booby traps as Marine Gunner John Daly covered him from behind when the Taliban struck.

他当时正在扫除巷子里面的诱杀装置，当塔利班士兵袭击他的时候，海军陆战队的约翰·德利掩护了他。

It is laziness and waywardness, however, that causes one to give himself up as hopeless and back down on the pretext of "no interest".

只有懒惰与任性，才能使一个人自甘暴弃的在“趣味”的掩护之下败退。

Abrasion and Overbending Concerns - To prevent abrasion and overbending, a metal hose can be used as a protective cover over wires or even other hoses.

磨损和过度弯曲-以防止磨损和过度弯曲，金属软管可以作为电线防护罩甚至掩护其他软管。

"The robber broke into the bank at the storm night, gambling on the fact the night watchers wouldn't find it because of the thunder and lightning."

"(喻)强盗在狂风暴雨的夜里闯进了银行,抱着孤注一掷的心情,希望在电闪雷鸣的掩护下,不致被守夜人发现。"

The 'Guerrilla Garderners' work under the cover of night, armed with seed bombs, chemical weapons and pitchforks. Their tactics are anarchistic, their attitude revo-lutionary. Their aim: to beautify.

这些「街头游击园艺家」在夜色掩护下工作，他们的武器包括种子爆弹、化学武器和乾草叉；他们的策略：无政府主义；他们的态度：革命；他们的目标：美化环境。