1.under house arrest 被软禁
The general is actually under house arrest and had found solace and peace within the inks of national calligraphies and paintings.
实际上，将军是被软禁在了家里，但他逐渐在书法和绘画中找到了平静和安慰@]=n[;5a2voWhI6_um9P。

2.allude to 提及；暗指
Try not to allude to this matter in his presence because it annoys him to hear of it.
他在的时候千万别提及这件事，他听了要生气的RTs9z!#xEYfwTDmRHwT_。

3.a barrage of 一连串
Officials said the city had been hit by a barrage of mortars.
官员们说，巴格达还遭到了迫击炮的密集攻击vajB4NXbjT#_3]r%U。

4.be on alert 进入戒备状态
In Europe authorities have been on alert for several weeks after the United States intercepted chatter about a possible attack.
自美国截取到可能发动袭击的流言以来，欧洲当局已经进入戒备状态好几个星期了oy-U9x;~-uz*7%,pl2。