| 1. | While danger threatens we must all be on guard
危险正逼近，我们必须保持警惕。 |
| 2. | We must be on guard not to let the enemy spies worm in
我们必须警惕,不让敌特钻进来。 |
| 3. | All you zaireans , y ' all be on guard too
全部的扎伊尔人，都来替我看住他 |
| 4. | Be on guard when somebody flatters you
有人奉承你时,一定要当心。 |
| 5. | All right now , be on guard . he might be a little cranky
好吧,小心点儿他现在可能有点儿暴躁 |
| 6. | Be on guard against offshore company
防范离岸公司不正当经营之对策 |
| 7. | Be on guard when somebody flatters you
有人奉承你时,一定要当心。 |
| 8. | Thus , you should be on guard against this confused mapping
因此，您应该谨防这种有混淆的映射。 |
| 9. | Ways for foreign trade enterprises to be on guard against exchange risk
外贸企业如何防范汇率风险 |
| 10. | You should be on guard when a stranger is at your door
6当陌生人站在你家门前时，你应该有所提防。 |
