Ajiwa味和(姓,日本)aart.一(个)；每一(个)；任一(个)n.英语字母表的第一个字母；学业成绩得优者；表示“最好”的符号a piece of evidence一条证据a grocery sacker.杂货装袋工a power hand-over移交权力a storing reservoir贮水池A Latin American.拉丁美洲人A Long In The Night沿着夜晚a Spaniard by birth一个西班牙血统的人(或祖籍西班牙的人)a nondescript color说不出的颜色a salutary exercise有益健康的运动A vessel or duct.导管或输送管

1. My business has been through a bad patch recently and I have been unable to maintain a reasonable profit margin.
   最近我的买卖经历了一段不景气的时光，我已不能保持适当的利润率。
2. Our firm has just struck a bad patch.
   我公司刚遭厄运。
3. She's been through a bad patch (ie a difficult or an unhappy time) recently.
   她最近经历了一段困难时期。
4. Their marriage has been going through a bad patch.
   他们的婚姻正处在困难时期。